... products specifications: brand:lumei,OEM item: china original cement nails material:steel sizes: 1"*14G,1.5"*14G,2"*11G ... color:bright,black head:flat,round usage:mainly for buliding construction load:25 tons in a 20" container shank diameter: ... is life, service is insurancemain productsshoe tacks nails,blind rivets,concrete nails,common nails,roofing nails, small machine screwyield more than 15000 tons ...