Sheave Size: 28mm / 1 1/16"Max Line Size: 8mm / 5/16"Overall Height: 51mm / 2"Weight: 24 grams / .84 ouncesBreaking Load: 750 kg / 1,653 lbsMax. Working Load: 150 kg / 330 lbsHole Diameter: 3 1/6"Hole Spacing: 1 9/64"