Replaces ATCO BL1223, 35B1223. 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 Flare Type, #10, 7/8"-14 Thread Crimp On Hose Fittings For #10 STANDARD (1/2" I.D. / 1" O.D. ).