Adaptive Technologies MC-030 1130LB Truss Clamp, Silver, Single UnitAdaptive Technologies MC 030 1130LB Truss Clamp, Silver, Single Unit The MC 030 is created from high tensile, aircraft grade, extruded aluminum; so its both stronger and lighter than cast iron clamps. The MC 030 fits from 1 pipe to 2 pipe sizes (1 15 16 OD to 2 inch OD tubes.) This means you can hang fixtures from a 2 pipe without having to buy an expensive Heavy Duty Clamp. The MC 030 fits the larger pipe standard. Finish Aluminum Safe Vertical