Albio 2pcs Black Upright Double Bass Endpin Rubber Tip Musical Instrument Accessory Description:Rubber Tip for Upright Double Bass EndpinProtect the double bass endpin, also protects the floorHelps prevent double bass from slipping or damaging the floorMaterial: RubberColor: BlackSize Chart:Height: Approx. 29mm/ 1.14inchInner diameter: Approx. 10mm/ 0.39inchWidth: Approx. 20mm/ 0.78inchPackage Includes:2 Pieces Upright Bass Endpin Rubber Tip