COMP Cams NS6612 Hose (-4AN 36" STAINLESS STEEL BRAIDED) Size Range: .3125"-.625" OR 8mm-16mm Constructed of stainless steel continuous band with extruded, asymmetrical threads Asymmetrical (offset) gear box minimizes clamp twist when tightening Combination of asymmetrical gear box and extruded threads even clamping force over hose surface