Heavy Duty SUPER CLAMP Mild Steel chrome- Heavy duty T-bolt clamp Band, housing and screw are mild steel, clear chromate Suitable for suction and pressure hose where high force is placed on the clamp Mechanical interlock of the band, housing, and the hexagonal bolt head offer a strong product with higher torque abilities Conforming standard DN 3017 Range: 19-252mm Band Width: 18mm Screw Head: 8