The Amflo hose crimper tool is production capable and provides 'Big tool' crimping advantages in an affordable, compact tool. Heavy-duty ductile iron castings and hardened steel dies ensure a long service life and positive, no leak crimping. Includes dies in five popular sizes for crimping 1/4 inch braid to 3/8 inch double braided hose. Can also crimp fittings on steel braided hose. Includes the following dies: 31/64, 17/32, 37/64, 5/8, and 11/16 inch. Use with hose barbs and ferrules - ferrules should be closely matched to the O. D. Of the hose. For use on compressed air lines and hoses only. Amflo is part of the Plews & Edelman group. Plews & Edelman is a leading designer, manufacturer and distributor of a broad range of automotive parts and tools sold to the vast majority of mass merchant, retail auto parts stores, and wholesale automotive parts and industrial distribution outlets, worldwide.