[Premium Material]:Drill opener is made of quality tungsten steel and alloy forging,with high hardness,wear resistance and long service life [Quick Chip Removal]:Wood hole auger opener,double edged design facilitates the discharge of iron chips and reduces noise when used [Stable Clamping]:Wood hole drill adopts a round handle design,the trimmer is firmly clamped and suitable for a variety of [Applicable Materials]:Boring bit is suitable for solid wood panels,hardwood,particleboard,density board,board,plywood,etc [Applicable Equipment]:Woodworking hinge hole drilling is suitable for bakelite milling,engraving machine,trimmer (1/4) handle,large gong machine,etc, Weight: 0.04850169764 Pounds, Manufacturer: Zambuph