Parker’s Exactol Model 412 Crank-Operated Bender will bend tube from size 4 1/4” through size 12 3/4” and 6mm through 20mm. This portable bender can be held in a vise or bench mounted using a bench mounting adapter. Exactol benders are designed with a worm-gear drive with a 60 to 1 gear ratio to allow accurate bending with minimum effort. Features/Benefits: – Will bend aluminum, copper, annealed steel and annealed stainless steel without kinks or wrinkles. – Small, large and close bend radius blocks are available to meet any bending requirement. – The easy crank operation permits continuous production without excessive operator fatigue, and it is good for use in tube fabrication shops, in the field, or in factory maintenance departments. Applications: – Bending metal tube for industrial applications Technical Characteristics: – Requires a slide block and radius block matching the tube O.D. to be bent. – If mandrels are used, the 412 bender must be bench mounted. – There is a kit option available which includes the slide block and radius blocks for tube O.D. sizes 1/4” to 3/4”.