Simple Crimp Straight Step Fitting, #10 Reduced barrier A/C hose to #12 Female O-ring fitting. Easily create custom A/C hoses with Simple-Crimp fittings and hose. Simply cut hose to your desired length, insert fitting into the hose end, and secure fitting to hose with cage and clips. Simple-Crimp fittings must be used with Reduced Barrier A/C Hose for proper installation. Crimping Tool/Pliers #97-1357 (Not Included) required to properly fasten clips. Fittning Includes: 1 #10 Blue Cage & 2 ...