... Enamel 20/25/32mm BS4568,BN50086 Standards Item:Black Enamel Y Shaped Circular BoxMaterial:Malleable IronFinish:Hot-dipped galvanization,Electro galvanizing ... /32mmTypes:1-way,2-way,3-way,4-wayBlack enamel Y shaped circular boxes,to BS4568 and EN50086 standards.Best quality ... and reasonable price.We can produce the black enamel Y shaped circular boxes according to your samples or drawings,also ...