#10 TO #12 STEP UP/DOWN BL6107. Replaces ATCO BL6107 / 35B6107； Four Seasons17409. A/C BEADLOCK CRIMP ON AC FITTING STRAIGHT SPLICER. This is a Quality Air Conditioning Straight, Step Up/Down, Air Conditioning Hose Splicer For #10 STANDARD BARRIER (1/2" I.D. / 1" O.D.) Hose to #12 STANDARD BARRIER (5/8" I.D. / 1 3/32" O.D.) Hose,Crimp On Hose Fitting.
