Leaf Chain Chain Number BL4 Chain Overall Width 0.677 in Lacing 3 x 4 Overall Length 10 ft Pitch 1/2 in Tensile Strength 7 900 lb/in Lubrication SAE 10 to SAE 50 Material Steel Maximum Operating Temperature 300 Degrees F Minimum Operating Temperature 15 Degrees F Pin Outside Diameter 0.2 in Plate Height 0.472 in Plate Thickness 0.08 in Standards ANSI