#40-2 Duplex Double Strand Roller Chain x 10 feet + 2 Connecting Links Part No. 40-2/10FT ANSI Chain No.: #40-2 Lenght: 10 feet Pitch (P): 0.5 inch (12.70 mm) Roller Diameter (d1 max): 0.31 inch (7.95 mm) Width Between Inner Plates (b1 min): 0.30 inch (7.85 mm) Pin Diameter (d2 max): 0.15 inch (3.96 mm) Pin Lenght (L max): 1.22 inch (31.0 mm) Pin Lenght (Lc max): 1.26 inch (32.2 mm) Inner Plate Depth (h2 max): 0.47 inch (12.00 mm) Plate Thickness (T max): 0.05 inch (1.50 mm) Transversal Pitch (Pt): 0.56 (14.38 mm) Ultimate Tensile Strenght (Q min): 28.20/6409 kN/LB Average Tensile Strenght (Qo): 35.9 kN Weight (q): 1.12 lb/ft (0.508 kg/m)