Manufacturer part #:7208 Technical Description Features American Metric Ø base (D) 2.56 in 65 mm Weight 0.35 lbs 160 gr SWL 3306.93 lbs 1500 kg Material S.steel AISI 316 S.steel AISI 316 Fixing screws 0.15x0.23 in 4 x 6 mm d 0.31 in 8 mm D 2.56 in 65 mm