ZINC ELECTROPLATED FINISH; 1000 LB VERTICAL, 200 LB TRANSVERSE, 150 LB LONGITUDINAL LOAD RATING; ASTM A607 50 LOW CARBON STEEL CLAMP MATERIAL; WEIGHT 66 LB PER 100 PIECES; HARDWARE SIZE 5/16 INCH-18 TPI; BAND THICKNESS 11 GAUGE