Deluxe Flaring Tool for 1/8" to 3/4" O.D. A full range 1/8" to 3/4" O.D. flaring tool for soft copper. Features: Designed with the new R - 410A system requirement in mind Self - centering yoke grips without marring or constricting tube Automatic tube height gauge for correct tubing height Multi - faceted burnishing cone produces a burnished flare seat for a positive seal Easy - to - use with four basic steps Made in the USA