High-quality material selection: bearings, double waterproof Grinding process: full bright polishing appearance Reasonable design: double cone extension design at the top of the center axis Hardness of tip shaft: up to 60 HRC Tip shaft insert alloy: hardness up to 82 HRC Axis top: double cone lengthened design Built-in dust-proof oil seal: prolongs service life Applicable machine tools: lathe Color: Silver Material: Steel Type: MT2 Package Contents: 1 x Swing Center Only the above package content, other products are not included Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The measurement allowed error is +/- 1-3 cm