Strut Included: This is a Safe and Convenient Stand for Supporting your Piping, Cable Tray, Electrical Conduit and HVAC Equipment with Strut Clamps on Roofs and Other Flat Surfaces Visibility and Safety: EnsuRed with Green Reflector on the Block Superior Quality: This Solid Pipe Hanger Was Manufactured with 100% Recycled High Grade Rubber and Highly Durable Pregalvanized steel Strut. Material is UV Resistant and Corrosion Resistant, to Ensure Long Lasting PerFormance. Protects: Holds Pipe in Place Securely, Dampens Vibrations, and Protects Roof Membrane From Tearing Dimensions: (see diagram) 9-3/4 in. Length x 5-3/4 in. Width x 4 in. Height x 5.2 lbs. Strut is 1-5/8 in. Width x 13/16 in. Height x 10 in. Long.