Sold in 10ft boxes only

Simplex Roller Chain

Pitch (p): 12.70mm (1/2")
Roller Diameter (d1): 7.80mm
Inner Diameter (b1): 4.80mm

Pin Diameter (d2): 3.63mm
Pin Length (L1): 6.00mm
Pin Length (L2): 7.10mm

Link Plate Thickness (T): 1.10mm
Link Plate Height (H): 9.80mm

Transverse Pitch (pt):

Min. tensile strength: 8.1kN

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