Robinair 40134A R-134A A/C Side Wheel Manifold Gauge Set with Hoses Solid forged brass bar for long-lasting and durable with proven face seal valves Easy to read dial faces show temperatures plus pressures in psi and kPa Flexible holster to protect your manifold during use and storage Manifold is covered by a 30-day money back guarantee and a one year "No Hassle Warranty" R-134a low permeation hoses with field service couplers on the high and low side hoses; yellow hose is 1/4" FFL x 1/2" Acme with Quick Seal Fitting