Product Information Material: 316 Stainless Steel Select a Product Part NumberTube ODWall Thickness B2WK-R10051"1.6mm B2WK-R15051-1/2"1.6mm B2WK-R20052"1.6mm B2WK-R25052-1/2"1.6mm B2WK-R30053"1.6mm B2WK-R40054"2.0mm