WE-EF / 146-0246 SP1-2/M8 Pipe clamp, single (Ø 3"-3.5") Pole clamps made from die-cast aluminium with stainless steel hardware. For mounting of one or two floodlights. Specifications: D1: 3-3.5 D: 76-89 Weight: 1.20 Windage: 0.146 ft²