Description: Made of marine grade 316 Stainless Steel material, anti-corrosion, durable and long life use Great accessories for tensioning boat marine yacht ropes Dimensions(L x W x H): Approx. 8.1 x 1.8 x 2.3 cm / 3.19 x 0.81 x 0.91 inch Screw Hole Inner Diameter: Approx. 0.5 cm / 0.2 inch Hole Centre Distance: Approx. 6.6 cm / 2.6 inch Slot Width: Approx. 1 cm / 0.39 inch Package Includes: 1 Piece Clam Cleat Note: Due to the differences between different monitors, the picture may not reflect the actual color. There is 2-3% difference according to manual measurement, please check the size carefully before you buy the item