Upgrade your workshop with the GRR-RIPPER Upgrade Kit, designed to transform your GR-100+ Push Block into the advanced GR-200 Pro. This must-have addition to your collection of table saw accessories and power tool accessories delivers precision, safety, and control. The Upgrade Kit includes a stabilizing plate, adjustable spacer, and mounting hardware—everything you need to enhance performance. This gripper push block upgrade works across multiple applications, including router table accessories, routing tables, band saws, and jointers. By applying downward, inward, and forward pressure, it keeps your workpiece steady, reduces blade marks, and virtually eliminates kickback. Ideal for pros and hobbyists alike, our GRR-RIPPER Push Blocks are essential woodworking safety equipment, helping you feed stock smoothly and consistently for cleaner results. Whether cutting on a table saw, router table, or working with jointers, these jointer push blocks improve accuracy. Maximize the performance of your MICROJIG GRR-RIPPER accessories and upgrade your workshop with confidence. With improved control, smoother finishes, and enhanced safety, your projects come off the saw ready to use—no extra sanding or planing required.