Superior, patented Site-Rite sighting system featuring cast-in, readable markings on the bender heads and a finish that provides for the best visibility in low-light. Choice of aluminum or iron alloy construction provides options depending on the user's preference for feel and weight. Strong, stable square hook design. 1-1/2"inch bender heads both offer the power pedal feature with a larger foot area on the head for greater control, stability and leverage. 1/2" 3/4 1 inch bender heads all have enlarged foot pedals and increased toe room to ensure greater control, stability and leverage. All the bender handles area consistent diameter, offering a bigger grip area, while still straight up and down for fast 30 degree bends. Lifetime limited warranty.