Description: Strong elasticity, not easy to deformation Long life, surface plating process, anti-skid Applies to: 300W spindle motor Material: aluminum Use: engraving machine spindle mount Inner diameter: Approx. 52mm/ 2.05inch Size: Approx. 9x 4x 6cm/ 3.54x 1.57x 2.36inch Color: Silver Package Includes: 1 Piece CNC Spindle Mount Bracket Clamp 4 Pieces Screws