30% OFF_Woodworking Tool: Adjustable Depth Countersink Drill Bit.' 'The product that can be controlled deeply by turning it by hand. When the built-i
30% OFF_Woodworking Tool: Adjustable Depth Countersink Drill Bit.' 'The product that can be controlled deeply by turning it by hand. When the built-in stopper touches the wooden surface, it stops rotating and does not leave a scratch on the surface. The product is best for woodworking.