We have detected that you are using Internet Explorer 8 or older.
Please upgrade your browser to access our website.
Upgrading your browser will improve your browsing experience.

Upgrade Your Browser.

Work safer. Work smarter.

Work safer. Work smarter.

MICROJIG Made in the USA

Website designed and developed by Brand Advance

Watch Video
The GRR-RIPPER 3D Pushblock has provided proven safety to over 150,000 DIYers, contractors and woodworkers worldwide.

The GRR-RIPPER 3D Pushblock provides three directions of force – giving you superior precision, control and safety.


1. DOWNWARD Virtually eliminates kickback

2. INWARD Keeps stock firmly against the fence

3. FORWARD Controls and feeds both sides of the stock for cleaner cuts

See the GRR-RIPPER in action, watch the video >

Unbelievable gripping power with Green GRR-RIP®.

Green GRR-RIP is the proprietary non-slip material that gives you superior gripping power over workpieces and materials such as oak, cherry, walnut, ebony, pine, poplar, maple, plastics and aluminum. Treaded grooves provide increased traction on the workpiece even with sawdust. Easily cleaned with denatured or rubbing alcohol.

Precisely safe. Safely precise.

Precision, control and safety. The GRR-RIPPER acts as a Moving-Blade-Guard for total hand protection. Adjustable Center Leg allows for adjusting to control the off cut piece and preventing wood burn. The 1/4” Leg controls the keeper piece. Balance Support stabilizes small and narrow workpieces. Fully adjustable to allow for a myriad of uses.

Versatility – table saws, bandsaws, router tables, jointers and more.

Long stock on jointers, freehand routing, veneer on bandsaws, work small and narrow workpieces on the table saw. The GRR-RIPPER brings possibilities to your favorite woodworking machinery with over 30 different uses. Gives you the confidence to build something memorable.

See the possibilities, watch the videos >

Tommy Mac
Cool Tools
Woodworking for Mere Mortals
  • Tommy Mac
  • Amazon
  • Woodworking for Mere Mortals

Proven by the pros and over 150,000 of the smartest woodworkers worldwide.

Pros, woodworkers, contractors and DIYers alike agree. Highly recommended by the industries leading publications like Wood Magazine, and received 100% score when tested by Handy. And with a 4.5 star rating among Amazon reviewers, you know you will be joining over 150,000 of the smartest woodworkers in the world.

See what they’re saying >

Work safer. Work smarter.

The GRR-RIPPER 3D Pushblock is now available at select Lowe’s Home Improvement Centers near you.
Find a Store BUY NOW

Rough Cut Woodworking with Tommy MacBetter Homes and Gardens Wood MagazineThe Wood WispererThe Austrailian WoodworkerThe American WoodshopFine WoodworkingAmazon

Cool Tools with Chris Grundy - DIY NetworkPopular Woodworking MagazineAmerican Woodworker MagazineHandy Woodworker Tested and Recommended