Description: Made of 304 stainless steel for maximum corrosion resistance and durability Strong solid round standard pin Easy installation or removal Used to attach accessories to sails/yacht/marine boat Perfect for the marine fishing industry as well as architectural/balustrade applications Specification: Material: 304 Stainless steel Color: Silver Size Chart: M5 Diameter: Approx. 0.2 inch/0.5 cm Height x Width: Approx. 1.18 x 0.75 inch/3 x 1.9 cm M6 Diameter: Approx. 0.24 inch/0.6 cm Height x Width: Approx. 1.38 x 0.87 inch/3.5 x 2.2 cm M8 Diameter: Approx. 0.31 inch/0.8 cm Height x Width: Approx. 1.77 x 1.22 inch/4.5 x 3.1 cm M10 Diameter: Approx. 0.4 inch/1 cm Height x Width: Approx. 2.17 x 1.5 inch/5.5 x 3.8 cm M12 Diameter: Approx. 0.47 inch/1.2 cm Height x Width: Approx. 2.75 x 1.81 inch/7 x 4.6 cm M14 Diameter: Approx. 0.55 inch/1.4 cm Height x Width: Approx. 2.99 x 2.13 inch/7.6 x 5.4 cm M16 Diameter: Approx. 0.63 inch/1.6 cm Height x Width: Approx. 3.7 x 2.44 inch/9.4 x 6.2 cm M20 Diameter: Approx. 0.8 inch/2 cm Height x Width: Approx. 4.65 x 2.95 inch/11.8 x 7.5 cm M24 Diameter: Approx. 0.94 inch/2.4 cm Height x Width: Approx. 5.51 x 3.74 inch/14 x 9.5 cm Package Includes: 1 Piece D Shackle Note: Please allow slightly difference due to manual measurement. Color may be slightly different since different monitor. Thanks!