Hydraulic  A/C Hose Crimper kit ;AC repair tools; Handheld Hose crimping tools; Hose crimper;Hose crimping  machine Features: 1.Hydra-Krimp for Barbed and Beaded Hose Fittings. 2.The new Patent pending "HYDRA-KRIMP" makes crimping barbed and beaded fittings as easy as 1 - 2 - 3! 3.The lightweight handheld hydraulic press is very portable and ideal for shop and field applications. 4.The Hydra- Krimp can be used on both beaded and barbed hose fittings. 5.The kit comes with a complete set of dies covering hose sizes #8, #10, #12 and reduced barrier #6, #8, #10 and #12. 6.The dies snap quickly into the press fixture requiring no pins or screws. 71500 - PB Die Set Plastic Box KIT INCLUDES 71500 - 001 Hydra - flare assembly 71500 - 8 Die Set - #8 (13/32") M71500 - 10 Die Set - #10 (1/2") M71500 - 12 Die Set - #12 (5/8") 71500 - 6SRB Die Set - #6 (5/16" Reduced Barrier) 71500 - 8SRB Die Set - #8 Reduced Barrier (13/32) 71500 - 10SRB Die Set - #10 (1/2" Reduced Barrier) 71500 - 12SRB Die Set - #12 (5/8" Reduced Barrier) How to use? Very easy for using : 1.Remove pin and "Open" top yoke. 2.select correct die set (refer to back page for description ) 3.insert the die into joke 4.position fitting and hose in the crimper and close the yoke. 5.insert pin securely . 6.Turn Body of tool clock wise until dies are snug against hose fitting . 7.Turn hydraulic valve to "closed "position . 8.Pump handle to crimp fitting onto hose .continue pumping until handle comes to a stop . 9.Once crimp is complete,turn hydraulic valve to OPEN position.