Quick view Knight Equipment Knight Equipment 9600592 Tubing .28 O.D. x .18 I.D. Blue, Sold by the Foot MSRP: $551 This product is sold by the foot. When you order this product you need to change the Quantity to reflect the length you want the tubing to be. Knight Equipment Tubing - per foot .28 O.D. x .18 I.D. Blue. MSRP: $551 Add to Cart The item has been added Add to Wish list Compare