Complete Die Set: Includes 7 crimping dies for a wide range of hose sizes — #6 SRB (5/16"), #6-8 SRB (5/16" & 13/32" reduced barrier), #8 (13/32"), #10 (1/2"), #10 SRB (1/2"), #12 (5/8"), and #12 SRB (5/8"). Note: 8 SRB and 6 is the same die, with purple color,Efficient Crimping: Driven by a high-performance hydraulic cylinder, this hydraulic AC hose crimper delivers 45 KN stable crimping force. Combined with its high-strength zinc alloy body and precision sealing system to ensure firm, reliable, and leak-free crimps,Flexible & Easy Operation: The snap-on die design allows quick, tool-free installation and secure attachment to the press fixture. Simply turn the hydraulic valve and press the handle to achieve high-quality crimping for hydraulic A/C hoses,Compact & Portable: This lightweight, integral hydraulic A/C hose crimping tool allows flexible use in tight spaces. Also comes with a durable carrying case for easy transport, organized storage, and convenient on-site operation,Wide Application: Efficiently crimps multiple sizes of hoses, suitable for beadlock fittings and A/C hoses, making it ideal for automotive repair, air conditioning maintenance, HVAC applications, and more