Stepless clamps are designed to tighten in an exact circle around the hosing, sinply use a crimping tool or the middle cutter on your pliers to crimp (not squeeze) the stepless clamp closed. Let us pimp your crimp with these stainless steel stepless clamps. These 7-10mm clamps will suit our 4mm ID beer line due to the thicker internal wall. The smaller 6-8mm will not fit.
