Manufacturer part #:7216 Technical Description Features American Metric Ø base (D) 4.33 in 110 mm Weight 2.43 lbs 1.1 kg SWL 14330.05 lbs 6500 kg Material S.steel AISI 316 S.steel AISI 316 Fixing screws 0.23x0.39 in 6 x 10 mm d 0.63 in 16 mm D 4.33 in 110 mm