Hanger Mount Vibration Isolator, Neoprene, Capacity Range 500 to 1000 lb, Deflection Range 0.24 in to 0.40 in, Max. Rod Dia. 3/4 in, Lower Rod Penetration 3 in, Depth 3 1/4 in, Height 4 1/2 in, Width 4 1/4 in, Spring Color Blue, Color Mark Blue, Bushing Type Rubber