CommScope's 11653 V-Bolt mounting kit is for 3 in (76.2 mm) max OD round members. This galvanized steel kit is for outdoor use. It includes two silver V-bolts clamp sets, V-bolts, Back Straps, Nuts, and Washers. It is compliant with RoHS and REACH-SVHC standards. Designed, manufactured and/or distributed under ISO 9001:2015