Sold in 10ft boxes only

Duplex Roller Chain

Pitch (p): 12.70mm (1/2")
Roller Diameter (d1): 7.92mm
Inner Diameter (b1): 7.95mm

Pin Diameter (d2): 3.97mm
Pin Length (L1): 15.45mm
Pin Length (L2): 17.15mm

Link Plate Thickness (T): 1.50mm
Link Plate Height (H): 12.00mm

Transverse Pitch (pt): 14.40mm

Min. tensile strength: 35.3kN

http://tsubakimoto.com/pdf/product/tsubaki-drive-chain-sprockets.pdf