Micro Jig GRR-RIPPER 300AIR 3D Pushblock Complete Accessory Kit (GR-300AIR)
Micro Jig GRR-RIPPER 300AIR 3D Pushblock Complete Accessory Kit (GR-300AIR)
Out of Stock - Available to Order - Usually ships in 10-14 days
Product Details
Product Details
Key Features
Overview
The Micro Jig GRR-RIPPER 300AIR 3D Pushblock (model GR-300AIR) is the most complete pushblock in MicroJig's AIR line: the X-AIR pushblock plus every GRR-RIPPER accessory MicroJig makes, in one package. This is a push block designed for ripping, routing and jointing on table saws, router tables, jointers and band saws, kitted out for everything from 1/8-in. strips to long stock fed with a pair of pushblocks.
It starts with the 200AIR: the AIR handle and body, X-AIR Legs with built-in heels, the SafeRip center tunnel, the Stabilizing Plate for 250% more stabilizing surface and the Adjustable Spacer for 54% more gripping surface on wider stock. Three directions of force hold the board down, pin it to the fence and push it forward, which is what virtually eliminates kickback and keeps feed rate consistent.
On top of that you get all four GRR-RIPPER accessories. The 1/8-in. Leg lets you rip true 1/8 x 1/8 in. strips safely and repeatably for edge banding and decorative inlays. The cuttable Gravity Heels drop down behind the stock and back it up at the end of the cut to prevent tearout. The Handle Bridge spreads downward pressure evenly and lets you reposition the handle for a more comfortable grip. The Deflector/Connector shields your hands from dust and debris and links two GRR-RIPPERs together to feed long stock continuously.
The Green GRR-RIP treaded surface grips hardwoods, softwoods, composites, plastics and aluminum, even with sawdust on the table, and cleans with denatured or rubbing alcohol. The high-impact plastic body absorbs force on blade contact instead of shattering, will not trigger a SawStop sensor, and every part is individually replaceable.
The 300AIR is for the woodworker who wants the whole system without ordering accessories one at a time: furniture makers, cabinet shops, inlay and edge banding work, and school or community shops that need one pushblock that covers every job. MicroJig's own advice is that the only thing left to add is a second 300AIR for hand-over-hand feeding of long stock.
Back Up the Cut, Stop the Tearout
The included Gravity Heels drop behind the stock at the end of the cut and support the trailing edge. The heels are made to be cut into, so they back up the wood fibers right where tearout starts.
- Cuttable heel material supports the exit of the cut
- Works alongside the built-in X-AIR Heels
Ready for the Router Table
With the Handle Bridge and Deflector/Connector installed, the 300AIR spreads pressure evenly and puts a barrier between your hands and the spinning bit.
- Handle Bridge distributes downward pressure evenly
- Deflector/Connector shields hands from chips and debris
- Links two GRR-RIPPERs for long stock
Grip Through the Final Inch
X-AIR Heels flex up during the cut and snap down to catch the end of the board, so forward pressure never drops off at the finish.
- Built into every leg
- Nothing to attach or lose
What's in the Box
- GRR-RIPPER AIR handle and main body
- (3) X-AIR Legs: Center, 1/2-in. and 1/4-in.
- Balance Support
- (2) SafeRip Cursors
- (2) SafeRip Scale Stickers
- Stabilizing Plate
- Adjustable Spacer
- 1/8-in. Leg
- Gravity Heel
- Handle Bridge
- Deflector/Connector
- Mounting hardware (T-bolts, wing knobs, shoulder washers, O-rings)
Key Specifications
| Push Block Type | 3D Pushblock with X-AIR Heels |
|---|---|
| Legs Included | Center, 1/2 in., 1/4 in., 1/8 in. |
| Thinnest Strip | 1/8 in. x 1/8 in. (with 1/8-in. Leg) |
| Added Gripping Surface | 54% (with Adjustable Spacer) |
| Added Stabilizing Surface | 250% (with Stabilizing Plate) |
| Compatible Machines | Table saw, router table, jointer, band saw |
| Shipping Weight | 3.8 lbs |
| Package Dimensions | 8.5 in. W x 12 in. H x 3.75 in. D |
Compatibility
Built For
Pro Tip
When ripping 1/8-in. strips, set the fence for the strip width and let the 1/8-in. Leg ride on the fence side. Feed with steady pressure and don't stop mid-cut; a pause is what leaves burn marks on thin stock.
Warranty & Support
Tool Nut's Take
Micro Jig GRR-RIPPER 300AIR 3D Pushblock Complete Accessory Kit: Buy It Once, Never Add On
The Micro Jig GRR-RIPPER 300AIR is the whole GRR-RIPPER system in one box, with the new X-AIR Heels built in.
- Who it's for: Woodworkers who want every accessory without piecing it together, from thin-strip ripping to two-handed long-stock feeding.
- Why it stands out: All four GRR-RIPPER accessories plus the 200AIR's Stabilizing Plate and Adjustable Spacer.
- Worth knowing: Long stock still calls for a pair. Plan on a second GRR-RIPPER if you rip boards longer than your saw table.
Common Questions
- Will it trip the sensor on my SawStop? No. The plastic material will not trigger the SawStop safety mechanism.
- Can I use it with the blade guard on? No. The GRR-RIPPER passes over the blade and acts as a moving blade guard itself.
- What if I cut into it? Every part is individually replaceable and compatible with all GRR-RIPPER models.
- I have missing parts. What do I do? Contact MicroJig at 1-855-RIP-SAFE (747-7233) with the parts and quantities you need.

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