Pre-operation set-up Open the relief valve to fully recess the piston. Rotate the yoke fully counter clockwise to bottom out the adapter seat. Operating Instructions WARNING: Do NOT actuate the piston without having a hose and fitting in place to crimp. This could cause damage to the tool.BE CAREFUL not to place hands near any pinch point while using the tool! Features: dies snap quickl into place requiring no pins or screws Unit can be easily mounted to a bench using the holding fixture (included) or a vice Lightweight hand-held and portable Package Includes: Hydraulic A/C Hose Crimper kit is applicable for beadlocking fitting. The tool includes seven sets of dies for barrier a/c hose. Black Die Holder #6(5/16" Reduced Barrier) Purple Die Holder #6(5/16")&(13/32" #8 Reduced Barrier) Orange Die Holder #10(1/2" Reduced Barrier) Blue Die Holder #12(5/8" Reduced Barrier) Green Die Holder #12(5/8") Yellow Die Holder #10(1/2") Red Die Holder #8(13/32"). The item "Hand Hydraulic Hose Crimper Handheld Manual A/C Hose Crimper Tool Kit" is in sale since Wednesday, December 19, 2018. This item is in the category "eBay Motors\Automotive Tools & Supplies\Hand Tools\Other Automotive Hand Tools". The seller is "ningbowisepick" and is located in Houston, Texas. This item can be shipped to United States.