We stock 4 of the most popular K & S Stainless Steel Tubing sizes used for RC boating. We stock the popular sizes of K&S Stainless Tubing used for RC boating. These are sold in single, 12" (approx 305mm) length. We have the following sizes. The listed size is outside diameter (od)Pn# 7111 : 1/8" x .028 x 12"Pn# 7113 : 3/16" x .028 x 12"Pn# 7115 : 1/4" x .028 x 12"Pn# 7117 : 5/16" x .028 x 12"Sold in 1 Foot Lengths.Sizes are in outside diameter. Wall thickness is .028
