Check the listing for details. 40 Roller Chain for Sprocket 100 Feet With 2 Connecting Links Drive Chain. Condition: New. Listed at 129.99 USD. Heavy Duty Roller Chain 40-1 x 100 FT 1/2 inch chain, Roller Diameter: 0.312", Pin Diameter: 0.156"; Pin Length (L max) 0.654" (Lc Max) 0.701", Inner Plate Depth: 0.472", Plate Thickness: 0.059"; Average Tensile Strength: 4000 lb; Material: Carbon Steel; Weight Per Foot: 0.415 lb; with two Connecting Links Pitch (P): 0.5 inch (12.7 mm) Roller Diameter (d1 max): 0.313 inch (7.95 mm) Width Between Inner Plates (b1 min): 0.310 inch (7.85 mm) Pin Diameter (d2 max): 0.156 inch (3.96 mm) Pin Lenght (L max): 0.654 inch (16.60 mm) Pin Lenght (Lc max): 0.701 inch (17.80 mm) Inner Plate Depth (h2 max): 0.472 inch (12.0 mm) Plate Thickness (T max): 0.059 inch (1.50 mm) Ultimate Tensile Strenght (Q min): 14.10/3205 kN/LB Average Tensile Strenght (Qo): 17.5 kN Weight (q): 0.417 lb/ft (0.62 kg/m)