*Product name: Center drill bit set.
*Accurate positioning: The drill bit does not shift, the sawdust is discharged from both sides, and the drill bit runs smoothly.
*Different Size: 1/4, 5mm, 13/64, 11/64, 9/64, 7/64, 5/64.
*Application: Different hardness of wood requires different types of drill bits and what you need to do is to take the screw apart and replace the drill.
*You will receive: 10 pcs Self Centering Hinge Tappers, 10 pcs Replacement Drill Bits, 1 pcs Hex Key.