Sold in 10ft boxes only.

Duplex Roller Chain

Pitch (p): 9.525mm (3/8")
Roller Diameter (d1): 6.35mm
Inner Diameter (b1): 5.72mm

Pin Diameter (d2): 3.27mm
Pin Length (L1): 11.43mm
Pin Length (L2): 12.57mm

Link Plate Thickness (T): 1.30mm
Link Plate Thickness (t): 1.00mm
Link Plate Height (H): 8.20mm

Transverse Pitch (pt): 10.24mm

Min. tensile strength: 9.0kN

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