Sold in 5m boxes only.

Simplex Roller Chain

Pitch (p): 8.00mm (0.315")
Roller Diameter (d1): 5.00mm
Inner Diameter (b1): 3.00mm

Pin Diameter (d2): 2.30mm
Pin Length (L1): 3.80mm
Pin Length (L2): 4.70mm

Link Plate Thickness (T): 0.75mm
Link Plate Thickness (t): 0.75mm
Link Plate Height (H): 7.10mm

Transverse Pitch (pt): N/A

Min. tensile strength: 5.8kN

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