Amflo 855 Hose Crimping Tool 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 Dies included are: 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 only