Item Floor Mount Vibration Isolator Isolator Type Neoprene Capacity Range 1150 to 2300 lb Deflection 0.25 in to 0.50 in Height 2 3/4 in Width 4 in Color Mark Yellow Cap Screw Dia and Length 1/2 x 1 in Includes Top Bolts and Washers Dimension A 11 in Dimension T 5/16 in Dimension MBD 1/2 in Dimension G 11 1/4 in Dimension H 11 1/2 in Dimension J 20-1/8 in