Save time and effort with the ABN Tubing Straightener for 3/16 or 1/4 Inch Metal Tubing. Leave behind the days of using heat to smooth out your brake line roller or even worse, un-bending with pliers. With our forged aluminum alloy tubing straightener you can smooth coiled steel, copper, aluminum, stainless steel, copper/nickel alloy and more with this ergonomic handheld tool. Easily transition between 3/16in (4.75mm) and 1/4in (6.35mm) outer diameter sizes with the convenient thumb slider adjustment. At 4.72 x 1.65 x 1.97in (11.72 x 4.19 x 5cm) this compact brake line straightening tool can maneuver around vehicle parts and squeeze into tight spaces to straighten out fuel lines. Powder coat finish ensures this soft copper tubing straightener tool will stand up to auto shop wear and tear. Warning: This product contains chemicals known to the state of California to cause cancer and birth defects or other reproductive harm.