10pcs 1-5mm Thick Round PU Polyurethane Flat Washer Gasket Spacer Sealing O Ring
Material: Polyurethane(PU). -Polyurethane has excellent vibration-absorbing properties and can be used for shock absorption and buffering. -Size:ID x OD x Thick (eg:2mm x 5mm x 1mm ,ID is 2mm,OD is 5mm,Thick is 1mm).