TIMESETL 8 Pcs Self Centering Hinge Drill Bits 7 Pcs Center Drill Bit + 1 Pcs Hex Wrench, Hinge Centering Hinge Drill Hole Drill for Woodworking 【Practical Design】- Made of high-speed steel (HSS), high hardness, wear resistance and high temperature resistance, durable and excellent. It is designed so that sawdust is automatically removed from the top of the holes on both sides and does not block the drill bits. '', 11/64'' 5mm, 13/64'', 1/4'' great for drilling holes in small hinges for cabinets, wardrobes, furniture makers and other woodworking or hardware such as decorative boxes./ 【Perfect Connection and Positioning】- These hinge center drills are not with precise positioning and movement. Fits like butter and the hole is smooth and full./ 【Easy to Install and with Safety Stop】 - Easy to use and install, change bits quickly, essential for assembly and disassembly in private and professional use./ 【Wide Application】- With precise centered holes, hinge hole drilling is applicable for door hinge installation for hinges, handles, drawer slides, etc. A must for all home improvement and area enthusiasts.