Double flares soft steel tubing up to .040" (1mm) wall thickness. Single flares soft copper, aluminum and brass tubing.Includes hardened bar assembly with five threaded dies (3/16, 1/4, 5/16,
3/8 and 1/2"), yoke with swivel tip and sliding "T" bar, and five double flare adapters (same sizes as dies ). Complete with instructions , packed in blow mold case.