Brake & Fuel Line Tubing Straightener – 3/16″ – 1/2″ Diameter Tubing. Brand: Tool Guy Republic. Item Weight:? 3.9 pounds. Package Dimensions:? 11.42 x 8.58 x 2.64 inches. Item model number:? JA-HT-1810. Item Package Quantity:? 1. Date First Available: July 11, 2017. Features aluminum rollers mounted on ball bearings. Suitable for 3/16″ – 1/2″ diameter tubing. 20 compared to competitors. Can be vise mounted. Good for many types of tubing. Simply feed your coiled tube through one side and watch it come out straight on the other side.