The Lenox Tools 1213188300 High Tension Hacksaw Frame provides exceptional control and performance through is high PSI tension. The comfortable grip is ergonomic in design and has enough space for use with gloves on. The saw frame allows you to store up to 5, 12-Inch replacement blades for convenience and easy change outs without having to leave your work area. The handle features a turn key that allows you to adjust tension and release the blades for replacement. One side, features straight blade mounting studs and the opposite side features blade mounting studs at a 45-degree angle which allows you to make flush cuts.