Mastercool 71550 A/C Hose CrimperThe NEW! 71550 is our "manual style" A/C hose crimper. The dies snap quickly into place requiring no pins or screws. The unit can be easily mounted to a bench using the holding fixture or held securely in a vice. This kit comes with a complete set of dies covering standard hose sizes #6, #8, #10, and #12. Optional reduced barrier sizes are available.