Microjig GRR-RIPPER Advanced 3D Pushblock with Gravity Heel Kit Bundle Three directions of force gives 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. Unbelievable gripping power with Green-GRIP. Green-GRIP 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. No other push block's grip comes close. Virtually eliminates kickback on table saws. The GRR-RIPPER's unique design provides downward force, controlling the keeper and off cut workpiece. This prevents the workpiece from lifting up off the table top – virtually eliminating kickback. Inward Pressure keeps the workpiece guiding along the fence preventing it from catching the rear-rising teeth. This gives you a smoother, cleaner, and safer cut. Work safer. Bundle Includes: MicroJig GRR-RIPPER Advanced 3D Pushblock with Advanced Techniques DVD MicroJig Handle Bridge Kit