Sold in 10ft boxes only.

Simplex Roller Chain

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

Pin Diameter (d2): 3.27mm
Pin Length (L1): 6.10mm
Pin Length (L2): 7.70mm

Link Plate Thickness (T): 1.30mm
Link Plate Thickness (t): 1.0mm
Link Plate Height (H): 8.20mm

Transverse Pitch (pt): N/A

Min. tensile strength: 9.0kN

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