Product Information Material: 316 Stainless Steel Select a Product Part NumberTube OD 12-DRATT-83/4" x 1/2" 6-DRATT-83/8" x 1/2" 4-DRATT-21/4" x 1/8" 6-DRATT-43/8" x 1/4" 8-DRATT-121/2" x 3/4" 12-DRATT-163/4" x 1"