' Cylindrical Vibration Isolator, Male Threads Top End, Max. Load Downward Compression (Lb.) 310, Max. Load Sideways Shear (Lb.) -, Cylinder Dia. 2 In., Height 3/4 In., Thread Length 1-1/8 In., Rubber, Thread Size 3/8-16, Metric Thread Size -, Compression Mounting, Clear Zinc Plated, Grade 5 Screws, Resistant To Abrasion, Standards -, Includes - '