Ball Shape Door Lock Installation Kit Hole Saw Drill Cutter Auger Bit Tool Woodworking

Features:
The hole saw has a twist drill bit inside.
Great for spherical door locking perforation.
For perforation on drawer, plastic products, wood, plywood.
Carbide alloy blade, cutting sharp, smooth rotation, easy operation.
For 2-1/8 54mm deadbolts or locksets with a 7/8 22mm latch hole.
With professional wrench, serrated grind, easy to remove.