Tube Ferrule Size: RD12,Rd14,RD16........RD52 Finish: Galvanized yellow. With cap or without cap Tube Ferrule 1. Product: Lifting socket,lifting insert,bend and waved socket, transport socket,flat socket ,socket with bar and so on.2. Diameter: M / RD 12 - 36mm 3. Length: 40 - 200mm4.Capacity: 0.5 - 12.5MT5.Material: stainless 304/316, ST52.36.Surface: plain, galvanized