Clevis Connector Chain Number BL646 Chain Overall Width 1.437 in Lacing 4 x 6 Material Carbon Steel Pin Outside Diameter 0.312 in Pitch 3/4 in Lubrication SAE 10 to SAE 50 Maximum Operating Temperature 300 Degrees F Minimum Operating Temperature 15 Degrees F Standards ANSI Tensile Strength 28 500 lb/in Package Quantity 5