1100% brand new and high quality. 2The compact chuck is small volume, easy to be used. 3It has a high centering precision as well as a large clamping range. 480mm diameter, the chuck is made for lathe machine tools. 53-jaw design, self-centering, widely used for lathes.Features:100% brand new and high quality. The compact chuck is small volume, easy to be used. It has a high centering precision as well as a large clamping range.80mm diameter, the chuck is made for lathe machine tools. 3-jaw design, self-centering, widely used for lathes. Specification:Model:K01-80BMaterial: SteelChuck Type: 3-jaw chuckChuck Structure: Big through-hole chuckPower Type: Manual Chuck Diameter: 80mm / 3.1inChuck Hole Diameter: 16mm / 0.6inClamping Range: 1.5~70mm / 0.1~2.8inJamming Range: 25~70mm / 1~2.8inCentering Precision: 0.1mmSuitable Machine Tool: LatheWeight: 1154g / 40.7oz(approx.)Package list:1 * Chuck Set