All Maple Ace Chains are Shot-peened, Pre-loaded, Pre-lubricated, Wear-Resistant, and Fatigue Resistant. Higher tensile strength for superior impact resistance. Heat treatment to achieve ideal hardness. Every package contains a 10-feet chain and 2 connecting links. Additional connecting and offset links can be bought separately at our store. The chain can be cut to desired length using a Chain Breaker. - Specification: Item 05B-1, BS/ISO Chain number 05B-1, Chain Length 10 ft, Number of Links 381L, Number of Strands 1 Chain Pitch Metric 8 mm, Chain Pitch Inch 0.31 in, Roller diameter d1 max Metric 5 mm, Roller diameter d1 max Inch 0.2 in, Width between inner plates b1 min Metric 3 mm, Width between inner plates b1 min Inch 0.12 in, Pin diameter d2 max Metric 2.31 mm, Pin diameter d2 max Inch 0.09 in, Pin length L max Metric 8.2 mm, Pin length L max Inch 0.32 in, Pin length Lc max Metric 8.9 mm, Pin length Lc max Inch 0.35 in, Plate height h2 max Metric 7.1 mm, Plate height h2 max Inch 0.28 in, Plate thickness T max Metric 0.8 mm, Plate thickness T max Inch 0.03 in, Ultimate Tensile Strength Q min 5.0 kN, Average Tensile Strength Q0 5.9 kN, Weight (kg/m) 0.200 kg, Weight (lbs/ft) 0.13 lbs, Material Carbon/Alloy Steel. - Interchange: - Application: