Forged Alloy Steel Ultimate Load is 4 times Working Load Limit Model No. Size of Chain Dimensions(MM) WLL(LBS) Weight(KG) IN. MM A B C DS-PT03908 5/16 8 11.5 64.0 49.6 4700 0.21 DS-PT03910 3/8 10 13.0 76.0 60.0 6600 0.40 DS-PT03913 1/2 13 17.5 99.1 78.1 11300 0.79 DS-PT03916 5/8 16 20.6 127.0 103.9 15800 1.50