Model No.:S50 Material: POM plastics+Rubber+Screw Size:115*54*20mm Net weight: 56g Bearing weight: ≤10kgs(22Ib) Temperature Range:-40℃ ~110℃ Clamping Diameter range:13-42mm(0.5-1.65ft) Accessories: 5pcs Different Joints 1pcs Rubber Pad 1pcs Warranty Card iSportgo