Precise and efficient: This shelf pin drill bit can quickly and accurately drill 10mm, 8mm, and 6mm shelf pin holes. The included locating pins help you drill more shelf pin holes. Different edge distances allow you to set up a variety of shelf mounting edge distances. Flexible and adjustable: Cabinet door hinge drill bit with a variety of Drilling pins, carefully designed scale, adjust according to different plate thicknesses. Perfect for DIY, woodworking, and home improvement. Cabinet hinge drilling jig, once tightened, directly strikes the hole, providing an efficient hole opening. Precise and fast: The hinge drilling jig has precise positioning, fast positioning, multi-bit drilling, with an alignment angle. The hidden cabinet hinge jig wood hole punch locator helps you drill precisely and quickly like a drill press. Significantly improves efficiency. and the precision of cabinet hinge installation. Wear-resistant material: All metal shelf pins and the hinge device are made of aluminum alloy; the surface is wear-resistant and possesses good strength and erosion resistance. Suitable for woodworking: The versatility of the hinge drilling hole guide and the multiple mounting size options are designed to accommodate your common shelf pin hole and mounting hinge.