ALL FITTINGS FIT STANDARD BARRIER TYPE HOSE AND ARE BEADLOCK STYLE, REQUIRING AN A/C HOSE CRIMPING TOOL. Excellent QualityAir Conditioning, 90 Degree M ale INSERT O Ring Type, #6, Crimp On Hose Fittings For #6 STANDARD BARRIER (5/16" I.D. / 3/4" O.D.) HOSE.
