Our manifold gauge suitable range: R12 / R22 / R502/R404/R407/R134A/R410 3) working pressure with 500PSI,600PSI,800PSI. Supply brass manifold gauge,aluminum manifold set. Our products are available for R12,R22.R502,R134A,R404,R407,R410A.Features:1) With 36" charging hose 2) Brass valve body, anti-shock cover,sight glass 3)Metal wheel or plastic wheel