Item Floor Mount Vibration Isolator Isolator Type Neoprene Capacity Range 15 to 45 lb Deflection 0.20 in to 0.40 in Height 1 1/2 in Width 1 5/8 in Color Mark Black Cap Screw Dia and Length 5/16 x 3/4 in Includes Top Bolts and Washers Dimension T 3/16 in Dimension MBD 5/16 in