Eclipse ECW4-OO Wormdrive Hoseclip, ideal for applications requiring high corrosion resistance The Eclipse ECW4-OO Wormdrive Hoseclip W4 304 Stainless Steel 13-20mm are ideal for various industrial, construction, automotive, agricultural, hardware/DIY, selected oil and gas and marine applications requiring high corrosion resistance. Features: 7mm slotted screw for ease of use Bright silver plated finish, with partial serrations Trivalent Chromate plating (Cr3) for ROHS compliance Corrosion resistance tested in salt spray test >500 hours The housing is rivet for extra strength and provides smooth contact with the hose The band thread is cold-formed resulting in a smooth underside surface profile to optimise hose protection Available in a variety of sizes, packed in 5 and 10 piece boxes, larger sizes come packed in plastic bags The band is processed to erase burrs from the edges and to increase strength ensuring a high destructive torque W4 wormdrive hose clips are made from the finest 304-grade stainless steel (Autensic Grade 18% Chromium / 8% Nickel) for a high degree of corrosion resistance Specification: Size: 13-20mm Kitemark certified KM722229 and quality tested in accordance with BS 5315:1991