Pneumatic Universal Interchange Hose Barb SKU Body Size Hose ID Material Length OD Hex Inch HFUC-251-4HB 1/4 1/4 Brass 2.64 0.92 3/4 HFUC-251-6HB 1/4 3/8 Brass 2.76 0.92 3/4 HFUC-371-6HB 3/8 3/8 Brass 2.99 1.09 15/16 No Crimp SKU Body Size Hose ID Material Length OD Hex Inch HFUC-251-4PL 1/4 1/4 Brass 2.52 0.92 3/4 HFUC-251-6PL 1/4 3/8 Brass 2.64 0.92 3/4