Item Floor Mount Vibration Isolator Isolator Type Neoprene Capacity Range 125 to 250 lb Deflection 0.25 in to 0.50 in Height 1 7/8 in Width 2 5/16 in Color Mark Red Bolt Size 5/16 in Cap Screw Dia and Length 3/8 x 1 in Includes Top Bolts and Washers Dimension T 1/4 in Dimension MBD 5/16 in Dimension H 1 7/8 in