Item Floor Mount Vibration Isolator, Isolator Type Spring, Capacity Range 380 to 510 lb, Deflection 0.75 in to 1.00 in, Height 4 1/2 in, Width 2 1/8 in, Spring Color Red, Bolt Size 3/8 x 4 in, Dimension A 4 in, Dimension T 1/2 in, Dimension SW 5/16 in,...