?GRR-RIPPER 3D Pushblock a must-have for any table saw user.FEATURES:3-Directional Force for Unmatched Control of the Workpiece.Unrivaled Gripping Power and Traction.Moving-Blade-Guard Hand Protection.Virtually Eliminates Kickback.Precise 1/4? Thin Rips.Work with Small Stock Safely on the Table Saw, Router Table, Jointer, & Band Saw.Rip as thin as 1/8? with the optional GRR-RIPPER 1/8? Leg accessory.