RATCHET FLARE TOOL All flaring tools listed are recommended for soft materials such as aluminum and soft copperNo. 454W, No. 455, and No. 375 will also flare steel, stainless steel, hard copper, and brassNo. 458R and No. 377 will flare steel, stainless steel, hard copper, and brass thru wall thickness of .035 inchesNo. 458R this precision tool provides smooth, uniform flares with minimum effort. The ratcheting feed screw handle turns easily and requires less motion and effor than a standard handle. Hardened steel flaring cone, eccentrically mounted in needle bearings, produces rolling action for even metal flow Size 1 1/8 in, 3/16 in, 1/4 in, 5/16 in, 3/8 in, 1/2 in, 5/8 in, 3/4 inType 45 SAE FlaresWt. 3 1/4 lb