ANSI Chain No.: #40NP Length: 10 feet Pitch (P): 0.5 inch (12.7 mm) Roller Diameter (d1 max): 0.313 inch (7.95 mm) Width Between Inner Plates (b1 min): 0.31 inch (7.87 mm) Pin Diameter (d2 max): 0.156 inch (3.96 mm) Pin Length (L max): 0.654 inch (16.61 mm) Pin Length (Lc max): 0.701 inch (17.81 mm) Inner Plate Depth (h2 max): 0.472 inch (11.99 mm) Plate Thickness (T max): 0.059 inch (1.5 mm) Ultimate Tensile Strenght (Q min): 14.1 kN (3,170 lb) Average Tensile Strenght (Qo): 17.5 kN Weight (q): 0.417 lb/ft (0.62 kg/m)