4pcs Hex Shank Self Centering Drill Bit Set Door Window Hinge Hole Puncher Woodworking Tool

1、Adopting brass body with high speed steel drill bit, high strength and hardness, durable in use 2、Quick to change drill bit by one-hand operation 3、Comes with 4 drill bits of the most common sizes for carpenter: 5/64 4、Features accurate positioning, effectively improve drilling efficiency 5、The wood chips will auto discharge from the top hole so the drill won't get stuck