Dimensions: Total Length: 10.2 inches (260 mm); Ring Diameter: 4.1 inches (105 mm); Hole Diameter: 0.5 inches (12 mm); Mounting Hole Pitch: 13.8 inches (32 mm); Color: Anodized Weight: Plate Body Weight: 12.8 oz (352 g); Material: Aluminum; Mounting Screw Size: M12 x 40 mm Pitch: 0.9 inches (1.9 inches (1.75 mm); Pitch: 0 inches (1.75 mm). This is a general purpose tow hook