Case:              Ø2.5"(63.5mm),Chromed steel

Window:          Plastic

Pointer:           Black aluminium

Dial:                 Aluminium

Bourdon tube: Phosphor Bronze

Movement:      Brass

Wetted parts:  Brass

Type:              Front flange,back entry

Union:             7/16-20 UNF

Accuracy:        ±1.6%

Range:           Muti-scale -1/+10 bar and temp.scale for R407C, R22 and R134a