1)chain sling, sling chain, lifting chain, load chain, hoist chain, chain hooks, for safety lifting, 2)meet EN 818-2, 818-4, EN 1677-1, EN 1677-2, EN 1677-3, EN 1677-4,CE 3)Materials: Steel 4)I II A8W LHW HSW PW VXKW E KLHWConnex Grade 80 Sling Chain, Double Leg, II A8W LHW HSW PW VXKW ConnexCode NoType0621001SDM01D0621002SDM02D0621003SDM03D0621004SDM04D Grade 80 Sling Chain, Single Leg,I A8W LHW HSW PW VXKW E KLHWConnexCode NoType0620001SDM01S0620002SDM02S0620003SDM03S0620004SDM04S More legs all can produce