hardware metal tool storage box 1)Material: iron ;2)Finishing:power-coating 3)Be used as tool box. 4)Size:1/2",3/4",1",2" tool case ,hardware metal tool storage box 1)Material: iron ;2) Finishing:power-coating ;3) Be used as tool box;4) Sizes :1/2",3/4",1",1-1/4",1-1/2",2" etc. 1/2" with blue coated metal tool storage box