* Snap Protect Ring 200 PCS Silver Compatible With Trusses With Tube Diameter 48 To 51 mm * The SNAP Protect ring has to be installed on the truss once and protects it from unwanted scratches during storage and handling. * The ring prevents direct contact between ground and truss, which protects surface and reduces any noise. * Compatible with trusses with tube diameter 48 to 51mm. * Material: plastic (polyamide) * Weight: 9.1 g