Ridgid 41162 Model 377 Flaring Tool
377 Flaring Tool.  37° SAE Flares.  3/16", 1/4", 5/16", 3/8", 1/2", 5/8", 3/4" Sizes. Features: This precision tool provides smooth, uniform flares with minimum effort. Hardened steel flaring cone, eccentrically mounted in needle bearings, produces rolling action for even metal flow, giving uniform flare walls without galling.