microjig grr-ripper

3D Pushblock System

The world's safest pushblocks for use with table saws, router tables, band saws, and jointers.

Best Sellers.

3D Pushblock System

A moving blade guard.

Kickback occurs when any side of the workpiece strays from being parallel to the blade. The GRR-RIPPER completely control both sides of the workpiece throughout the entire cut and virtually eliminates kickback. Your hands stay completely protected as the GRR-RIPPER glides over the blade.

Tommy Mac
“I’ve been using the GRR-RIPPERs like crazy. They work really, really well. It’s astonishing how well those things grip. I have the utmost confidence when I go over my blade that I'm not gonna get hurt.”
Scott Phillips (The American Woodshop on PBS)
I use the Grr-ripper every week in my shop. It is by far the most useful push block I’ve ever seen.
Marc Spagnoulo(The Woodwhisperer)
One of my all-time favorite safety items, Microjig's Grr-ripper.
Paul Edgar (5-Star Amazon Review)
The first praise I can give is that I still have all the fingers. I find this tool to be well thought out and very useful. I use it mainly on a table saw, but it would work well with any tool that cuts long narrow pieces of wood and there is a danger of injury. Router, jointer etc.
Woodcraft
I immediately discovered that the jig offered more control than my other pushers; no doubt a result of the high friction pads on the adjustable and fixed legs....The GRR-Ripper is pricey, but it’s an excellent small stock handler. Once you own it, you’ll likely use it for larger stock as wel
The Wood Whisperep
Wood Magazine
Woodworking for Mere Mortals
Popular Mechanics - Best Multifunctional Option
3D Pushblock System

GRR-RIPPER Advanced

The Advanced model of the world's safest pushblock. Best for handling larger material on table saws, router tables, band saws, and jointers. GRR-RIPPER Advanced features a 250% increase in stabilization surface and 50% more gripping power.

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MatchFit Project Plans

The Ultimate Workbench plans.

When we say “ultimate”, we mean ULTIMATE.  This project plan's workbench combines all the best parts of the most popular workbenches on the market. It's designed to speed up your workflow, save you money, and give you overall better results.

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3D Pushblock System

GRR-RIPPER Complete

The Complete system of the world's safest pushblock. GRR-RIPPER Complete provides unmatched precision, control, and safety. Make flawless, consistent cuts with zero effort and say goodbye to kickback. For use with table saws, router tables, band saws, and jointers.

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Replacement Parts
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GRR-RIPPER Adjustable Spacer Accessory
GRR-RIPPER Adjustable Spacer Accessory
GRR-RIPPER Adjustable Spacer Accessory
GRR-RIPPER Adjustable Spacer Accessory
Replacement Part / Digital
GRR-RIPPER 1/2" Replacement Leg
GRR-RIPPER 1/2" Replacement Leg
GRR-RIPPER 1/2" Replacement Leg
GRR-RIPPER 1/2" Replacement Leg
Replacement Part / Digital
T-Bolt 1/4-20 x 1 3/4" (10-Pack)
T-Bolt 1/4-20 x 1 3/4" (10-Pack)
T-Bolt 1/4-20 x 1 3/4" (10-Pack)
T-Bolt 1/4-20 x 1 3/4" (10-Pack)
Replacement Part / Digital
GRR-RIPPER Stabilizing Plate Accessory
GRR-RIPPER Stabilizing Plate Accessory
GRR-RIPPER Stabilizing Plate Accessory
GRR-RIPPER Stabilizing Plate Accessory
Replacement Part / Digital
1/4-20 Thumb Knob (4-Pack)
1/4-20 Thumb Knob (4-Pack)
1/4-20 Thumb Knob (4-Pack)
1/4-20 Thumb Knob (4-Pack)
Replacement Part / Digital
GRR-RIPPER 1/4" Replacement Leg
GRR-RIPPER 1/4" Replacement Leg
GRR-RIPPER 1/4" Replacement Leg
GRR-RIPPER 1/4" Replacement Leg
Replacement Part / Digital
10-32 x 1/2" Thumb Screw (4-Pack)
10-32 x 1/2" Thumb Screw (4-Pack)
10-32 x 1/2" Thumb Screw (4-Pack)
10-32 x 1/2" Thumb Screw (4-Pack)
Replacement Part / Digital
10-32 Offset Oval Nut (10-Pack)
10-32 Offset Oval Nut (10-Pack)
10-32 Offset Oval Nut (10-Pack)
10-32 Offset Oval Nut (10-Pack)
Replacement Part / Digital
Orange O-Ring 5/16" OD (20-Pack)
Orange O-Ring 5/16" OD (20-Pack)
Orange O-Ring 5/16" OD (20-Pack)
Orange O-Ring 5/16" OD (20-Pack)
Replacement Part / Digital
GRR-RIPPER Handle with Hardware
GRR-RIPPER Handle with Hardware
GRR-RIPPER Handle with Hardware
GRR-RIPPER Handle with Hardware
Replacement Part / Digital
GRR-RIPPER Balance Support
GRR-RIPPER Balance Support
GRR-RIPPER Balance Support
GRR-RIPPER Balance Support
Replacement Part / Digital
GRR-RIPPER Center Replacement Leg
GRR-RIPPER Center Replacement Leg
GRR-RIPPER Center Replacement Leg
GRR-RIPPER Center Replacement Leg
Replacement Part / Digital
GRR-RIPPER Main Body
GRR-RIPPER Main Body
GRR-RIPPER Main Body
GRR-RIPPER Main Body
Replacement Part / Digital
GRR-RIPPER 3-Piece Replacement Legs Set
GRR-RIPPER 3-Piece Replacement Legs Set
GRR-RIPPER 3-Piece Replacement Legs Set
GRR-RIPPER 3-Piece Replacement Legs Set
Replacement Part / Digital
Blue Bag Hardware for GRAK-404
Blue Bag Hardware for GRAK-404
Blue Bag Hardware for GRAK-404
Blue Bag Hardware for GRAK-404
Replacement Part / Digital
Nylon Shoulder Washer (10-Pack)
Nylon Shoulder Washer (10-Pack)
Nylon Shoulder Washer (10-Pack)
Nylon Shoulder Washer (10-Pack)
Replacement Part / Digital
GRR-RIPPER Gravity Heel Replacements
GRR-RIPPER Gravity Heel Replacements
GRR-RIPPER Gravity Heel Replacements
GRR-RIPPER Gravity Heel Replacements
Replacement Part / Digital
Black O-Ring 9/32" OD (20-Pack)
Black O-Ring 9/32" OD (20-Pack)
Black O-Ring 9/32" OD (20-Pack)
Black O-Ring 9/32" OD (20-Pack)
Replacement Part / Digital
Red Bag Hardware for GR-100
Red Bag Hardware for GR-100
Red Bag Hardware for GR-100
Red Bag Hardware for GR-100
Replacement Part / Digital
1/4-20 Oval Nut (10-Pack)
1/4-20 Oval Nut (10-Pack)
1/4-20 Oval Nut (10-Pack)
1/4-20 Oval Nut (10-Pack)
Replacement Part / Digital
GRR-RIPPER 1/4" Replacement Leg (AR)
GRR-RIPPER 1/4" Replacement Leg (AR)
GRR-RIPPER 1/4" Replacement Leg (AR)
GRR-RIPPER 1/4" Replacement Leg (AR)
Replacement Part / Digital
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