EXPRESS NAIL STEEL BLUE ZINC PLATING/YELLOW ZINC PLATING LAG SCREW SHIELD SIZES:1/4,5/16,3/8,1/ ... 2,5/8,3/4 LAG SCREW SHIELDZINC ALLOYSIZES:1/4,5/16,3/8,1 ... .Competitive price and reliable quality 3.mature technologyLag screw shield Anchor Size Drill Dia.quantities Box/Ctn 1/4 Sx1 1 ... 3/4L 1 25/100Also can according to customer requirment. LAG SCREW SHIELD,EXPRESS NAIL