Crimped steel,natural steel cover ● 3301.02310 for 3”xM10 ● 3301.02314 for 3”xM14 ● 3301.02410 for 4”xM10 ● 3301.02414 for 4”xM14 ● 3301.02514 for 5”xM14 ● 3301.02516 for 5”xM16
