Crafted from wear resistant high speed steel, the lightweight 137g design minimizes fatigue during extended use while maintaining sharpness cutting edges Perfect for home renovations, cabinet installations, and door adjustments where precise hinge alignment is critical for smooth operations Precisions engineered for door hinge installation, this drill bit ensures accurate 9-10cm / 3.54 ' ' 3.97 ' ' holes in wood and composite materials with durability Streamlines your workflow with this practical tool suitable for standard drills, clean boreholes for seamless hinge integration in wood materials Ideal for woodworkers, professional installers, and enthusiasts seeking practical tool for hinge replacement or furniture assembly projects, Manufacturer: ERRORY