Dixon 855 Small Hose Crimper for Brass Ferrules w/5 Diameters - John M. Ellsworth Co. Inc.
Do you crimp your own hoses? Its so easy!! - YouTube
Amazon.com: Western Enterprises CK-6 Other Hose Repair Kits, Fittings, Crimping Tool, Full Color Label/Description Chart, 0.5 Length, B-Size : Automotive
TIFCO Industries - Part#: 48900 - Air Hose Ferrule Crimper, 1/4 - 3/8 ID