features Description: heavy duty hydraulic RAM with over 6, 000 PSI crimping pressure magnetic yoke holds dies in place user on or off car (including use within vise) COMES ready to flare tubing sizes 3/16 , 1/4 , 5/16 , 3/8 and 4.75mm (single, double, DIN) dual handles for optimal control and positioning pistol grip glaring tool perfect for flaring on or off car. Engineered for professional, repeatable quality glares. Small size for single person operation. Detent ball for Quick punch swap. Makes single (bubble/mushroom) and double flares for 3/16 , 1/4 , 5/16 , 3/8 , 4.75mm lines./font>