ITEM NAME:2 x 1/4'' Shank Yellow T-Slot Cutter Router Bit Set for 3/8'' & 1/2'' Best Descriptio n Description: Used For Wood Perforation,Spherical Door Tip Installation,Drawer Tip,Plastic Products,Wood,Plywood,Etc..Trepanning More Sharp Edge,High Hardness,Accurate Positioning,High Precision,Smooth Cutting,Impact Resistance,High Toughness Enable Woodworkers To Drill Holes Without Passing Through The Material When A Clean And Precise Bottom To A Hole The Blade More Sharp And Durable, It'S Head Adopt Arc Curve Design,Beneficial To Chip Removal, Perforation Is More Efficient Suitable For Hand Held Electric Drill,Stand Motor-Driven Drilling Machine And Mobile Ribbon Type Magnetism Drilling Machine Specifications: Material: Car.The Blade More Sharp And Durable, It'S Head Adopt Arc Curve Design,Beneficial To Chip Removal, Perforation Is More Efficient. We'd like to settle any problem in a friendly manner. Enable Woodworkers To Drill Holes Without Passing Through The Material When A Clean And Precise Bottom To A Hole.