For fastening and binding rope Premium quality marine hardware, grade 304 stainless steel, rust resistance Preferred equipment for adjusting tension on ropes, cables and lines Each end has open jaw with pin and safety wire for easy, secure connections Excellent choice for marine, sailing, boating & industrial applications Specification: Material: 304 Stainless Steel Color: Silver Type: European Style Screw Diameter: 5mm/M5 Size Chart: Size(Screw Diameter x Total Length): Approx. 5mm x 14cm / 0.2 x 5.5 inch (1/5" x 5-1/2") 6mm x 16cm / 0.24 x 6.3 inch (1/4" x 6-1/3") 8mm x 19cm / 0.31 x 7.5 inch (5/16" x 7-1/2") 10mm x 21.5cm / 0.39 x 8.5 inch (3/8" x 8-1/2") 12mm x 27cm / 0.5 x 10.6 inch (1/2" x 10-3/5") Tips: One jaw screw is left-hand threaded and the other end right-hand threaded. Rotating the body one way tightens the screw ends and rotating the other direction loosens. Bodies have pre-drilled holes for inserting pin or tool for added turning leverage. Package Includes: 1 Piece Turnbuckle 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.