AURELIO TECH 4 Way AC Manifold Gauge Set R410a R22 R134a w/Hoses Coupler Adapters + 1/2 ACME Material: Bass + Plastic + Aluminum + PVC; R134A R410A & R22 Manifold Gauges A/C; Tester Freon gas Service Diagnostic AC; AC A/C Manifold Gauge Set; Aluminum housing; Includes 3 color-coded 60" long service hose + 1black 60" hose; Red and Blue 60" long charging hose R12, R22, R134A with ACEM 1/4"; Yellow 60" long charging hose R12, R22, R134A with ACEM 1/4" NOTE: Some clients mentioned that hoses did not fit R410-A fittings, and here are some tips: Black hose: connect R410A(if you want to connect R134a or R22 with the black hose, use the adapter in our package) Red/blue/yellow:hose: connect r134a/R22(If you want to connect R410a with the yellow/red/blue hose, use the adapter in our package)