Cast Bronze Round-Round Bolt Fitting US Patent No. D424, 924. Cast bronze bolt pressure cable to cable or cable to rod clamp. 1-1/2 inch stainless steel carriage bolt. Specifically designed for cable splices on single membrane roofs. 1-9/16 x 1-3/4 in. (39.7 x 44.45 mm); approximately 7.6 oz. (215 g) Also available in tinned.