Outdoor Playground Equipment 1.plastic:LLDPE 2.galvanized pipe 114mm;T:2.5mm 3.anti-static,anti-UV 4. ... -static,anti-crack Metal parts made in the national standard steel pipe,welded by the industrial robot,strong and smooth Deck use ... spray, 2) surface coated polyurethane 2,Column with steel and hot dip galvanized pipe material, diameter 114mm, thickness 2.0-2.5mm ...