Designed for easy bending of various tubing such as copper, stainless steel, steel and titanium, to a maximum of 180. Also allows bending in confined spaces and takes up little space thanks of its compact design With the degree indicator wheel standard on our bender, accurate bending is simply a matter of watching the pointer until the degree of bend you desire is reached. High contrast white markings on a green wheel provide excellent readability while bending Patented, quick action trigger release repositions two-stage handle midway through a bend when both handles begin to meet. This feature allows easy fabrication of optimized bends up to 180 with reduced effort, better control and no crossing of handles New design for accurate and tight bends up to 180 degree angles with index marks for the most accurate bends. Wide hook securely grips tubing. Tube O.D.: 1/4", 5/16", 3/8" (6/8/10mm) NEWLY DESIGNED GENERATION 3 BENDERS - They are half the weight of the older style and utilize bolt-on inserts that are on average 243% stronger. With over 600 hours in R&D and tooling preparation, we are confident these are the best benders on the market today