For use with soft copper,aluminum and brass tubing. Faceted, hard chrome-finished cone rolls out perfect 45°flares above die block-then automatically burnshes flare face. Original wall thickness is maintained at base of flare. New slip-on yoke permits use in tight quarters where there is little space between nut and tube end. Larger handle, with better leverage, and precision threads on feed screw make flaring effortless,heat treated dies firmly grip tubing, satin chrome and black finish.