We have commodity security services. If the product you received has quality problems, please feel free to contact us, we can provide you with a return service.Adjustable Double Bearing Live Revolving Centre DIY Compatible with Lathe Machine Woodworking ToolHigh precision, high hardnessCompact, easy to operateHoling depth can be regulated and adjustment.Easy and highly efficient.Tip stretchable length: approx. 30mmSize: approx. 100*43mmTip height: approx. 27mmColor: silverMaterial: metalPackage Contents:1 * Revolving Centre2 * wrenchOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.