Designed for use with both 1/4" and 3/16" lines, the S.U.R.&R. TS14316 Tubing Straightener and Bending Pliers can be used to straighten or bend numerous material types including alloy, steel, stainless steel, and poly-coated. Applications include making automotive brake and fuel lines along with other industrial uses. Featuring a wide grip handle which provides maximum leverage, the pliers are built for long-lasting performance and are backed by a lifetime warranty.