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4.78 (18 reviews)

Mega Bundle:
This bundle combines all CRB7 Products and Accessories
1 x CRB7 Universal Combination Router Base Mk3
1 x 
CRB7 Mortise Hinge Lock & Flute Jig
Includes 1 x Edge Guide Side Fence
1 x CRB7 Edging & Dowel Trim Kit

The CRB7 Combination Router Base is no ordinary Router Jig. It’s a versatile system that offers excellent control through a multitude of routing operations. The offset, cranked rod design, allows the CRB7 to quickly adjust and fit over 650 models of router. Micro adjustment makes positioning router bit easy with a precise degree of accuracy so you can use an undersized bit to creep up to your desired point incrementally, especially useful when mortising or cutting a dado. Performing 7 functions straight out of the box with an every growing number of accessories, the CRB7 Routing System is fast becoming one of our most popular tools… More Info

Combine CRB7 with the MHLF accessory and the CRB enters an entirely new level of machining accuracy; never before achieved with a hand held power-tool.The MHLF is a pair of micro adjustable precision machined jaws; these sit either side of the work piece re-establishing a safer level of surface contact between router and work piece. Allowing accurate Mortises or Hinge and Lock Rebates or flutes to be machined… More Info

The problems of flush trimming hardwood, Iron-on lippings and dowel heads are well documented. Many techniques have been developed and even specialized tools manufactured to try to make this tricky task easier. The CRB7 Edge Trim Kit might just be the simplest and quickest solution to achieving a beautiful fault free finish. Fitted in seconds and simple to set up. Flat-panel flushing tasks can be performed with accurate consistency when making a one-off piece of furniture to batch production manufacture…. More Info

With the addition of the new CRB7 Edge Guide Side Fence Kit, the CRB7 gains yet another feature bringing its impressive total to 8 key functions.
The CRB7 Edge Guide Side Fence Kit is simpler to set up than a traditional edge guide. It has a greater depth of range so that grooves and dados are possible to route up to 7.1/2″ in from the board edge. The new edge guide can be fitted in 3 different locations on the CRB’s base plate for a wide variety of tasks and with fixing points in the face of the edge guide, a protective facepiece can be fitted for protection whilst edge molding…  More Info


1. Offset Baseplate.
2. Small Circle Compass.
3. Anti Tilt Support.
4. Adjustable Mortising.
5. Large Circle Compass.
6. False Panel Rebate Copier.
7. Adjustable Clamp Guide.

1. Work mortise length with uninterrupted “Sight lines”.
2. Cut centred and off centred mortises.
3. Cut hinge and lock rebates.
4. Repeat cut sets of flutes.
5. Edge molding Parallel to edge groove or channelling.

1. Creating a stable router platform.
2. Maintaining a consistent cutter height.
3. Increase routing pass speed with the Tracer Racer.


• Multifunctional
• Indexed Micro Adjuster
• Quick Set-Up
• Quick Change Accessories
• 2″ Bakelite Ball Handle
• Two-Part Anti Tilt Leg
• Pro-Grade Build
• Fast Copy Tracer Racer
• Core Stability
• Heavy Duty Blunted Jaws
• On Board Sight Line Markers
• Massive Range
• MPOWER Guarantee


This bundle contains all CRB7 Accessories

FAQ, Hints & Tips

My router cutter does not sit centrally in the CRB’s base plate letterbox – Is this a problem?
No It’s not a problem – Providing the outer edge of the cutter clears the parameter of the base plate letterbox. It does not affect the performance of the CRB.

The rods of the CRB have a smaller diameter than the rods of my router – Will the CRB still work with my router?
The short answer is yes, the CRB MkIII includes 2 sets of rods with different diameters 2 x 9/32” (7mm) and 2 x 5/16” (8mm) This allows the CRB7 MkIII to fit a larger range of different makes and models of router. It is recommended to fit the largest rod diameters that the router base will allow. As the closer the fit between rod and router base rod drilling minimizes the router tracking or crabbing on the baseplate when using the micro adjuster.
There are also accessory rods available with larger diameters for routers with even larger base rod drillings These are available on the following link or please ask your stockist and M.Power would be more than happy to supply them through your favorite store.
2 x 24/64” (10mm) rods
2 x 15/32” (12mm) rods
It’s important during set up to ensure that the CRB rods are set up precisely so that the bottom of the CRB rods rest exactly at the bottom the router base rod drillings. It’s also important to use 2 x spanners when tightening and locking the Adjuster rod in position on the bridge. Using just a single spanner can rotate the rod and cranked plate assembly out of alignment.

I’m confused which CRB7 model have I got?
You can identify the models by checking the following details:
The MkI includes a shim kit to adjust the bridge height and also has black dia 5/16” (8mm) rods and no cranked plates.
The MkII has cranked plates fitted between the 2 x main rods and the bridge and no shim kit – The rods can be either dia 9/32” (7mm) or dia 5/16” (8mm).
The MkIII includes 2 sets of rods dia 9/32” (7mm) or dia 5/16” (8mm) and a Large Compass Kit.

I have a large router usually fitted to a router table. Will the CRB still work with it?
Yes it will, however due to the heavier weight of the router and in some cases much larger rods and rod drillings, There may be increased resistance when the router moves across the CRB baseplate when using the micro adjuster. Larger diameter rods improve this movement and reduce the chance of tracking.
Measure the rod drillings in the base of the router in order to ascertain which of the Larger accessory rods to order.
2 x 24/64” (10mm) rods
2 x 15/32” (12mm) rods

Why is the Micro Adjuster stiff to turn when my router is mounted on the CRB, but easy to turn when the router is taken off?
This can be caused when setting up the CRB to your router. It is very important to use 2 x spanners when tightening and locking the Adjuster rod in position. Using a single spanner can rotate the rod and cranked plate assembly out of alignment. Altering the rods position relative to the router-base rod drilling and setting up tension between router and CRB, which in-turn creates a stiff Micro Adjuster. Larger heavier routers will make the micro adjustment stiffer.

I’m finding the instruction manual quite difficult to follow. We’re sorry for any confusion caused by the complicated nature of the instruction manual. It is in part due to the number of functions and the numerous variations of set-up for the many different routers that the CRB fits. We have produced a Computer generated demonstration video which shows initial set up and goes through all the functions. Customers have said this has been helpful in their understanding of the tool.

Is the plastic protective coating/covering on the bottom of the router base meant to be peeled off before use?
Its only there for protection of the Baseplate during manufacture and assembly and is designed to be removed before use. Some people do leave it on as long as possible however its only temporary.

Can you tell me what router bit type would be recommended to use with the liptrim kit when finishing off glue on edging?
A straight flute with a diameter larger than the edge your gluing is good. Although I prefer a bowl bit as it reduces the chance of break out.


Essential cutter height test
It’s very important to set up and test the cutter height prior to a trimming session. Before setting the cutter height; ensure that the test area is clear and flat. An initial cutter height can be set by sliding a piece of thick paper between the bottom of the cutter and the test workpiece. Then after the cutter height is locked in. Lift the router and CRB away from the surface before turning it on. Do not rely on releasing the plunge mechanism – turning it on – and replunging. As there is sufficent play within the plunge mechanism of the router to return the cutter to a slightly different height and introducing the chance of damaging the workpiece. Even between trimming sessions – Always test the cutter height on a test piece to avoid costly damage.

Trimming hardwood lipping on all 4 sides
Should the hardwood lipping be glued to all 4 sides of a workpiece i.e a table top. Remove the Tracer racer and work in from both of the flat sides either side of the workpiece into the corner. That way the riser pad is given sufficient clearance to flush the corners too.

To improve the process of deep range dado-ing, still further fit the CRB7’s 2″ offset bridge handle. This locates the operators guiding hand almost directly over the board edge; smoothing out the routing pass and removing the chance of racking/juddering between the Edge guide and router.