Heat Pump Riser, Size: 6" 2 Piece, Maximum Uniform Load: 2,000 lbs When 4 are Used, Color: Gray, Material Type: Polypropylene, Butyl Mastic Patches on Top and Bottom - Eliminates Slipping, Reduces Vibration and Noise, Application: Heat Pumps, Condensers, Air Handlers, Weight Capacity: 400 Lb, Unit's weight: 0.9031 Lbs, Dimensions: 79/100"H x 27/32"W x 1-27/50"D SOLD AS 4 PACK