Buy with confidence as S.U.R.& R.'s PFT409 Pistol Grip Flaring Tool is fully serviceable. Should something get lost or fail, we have the part you need to fix or replace it. Product Features:Smooth channel of die will not scar tubingPins ensure accurate alignment of diesFlare sizes: 3/16 & 4.75mm (37 degree)Flare styles: SAE bubble and double