SUPRA robust heavy duty clamp Materials: W2 = band and housing stainless steel, screw steel zinc plated W4 = stainless steel 1.4301 (V2A) Available options Available Options: You may also like… Choose optionMale thread stem with hexagon made of brass Choose optionCamlock coupler with hose stem type C Choose optionMale thread stem with hexagon DIN 8535 Choose optionHose coupling with adjustment ring made of brass