VDO 150-1212 Boost / Turbo 30 InHg / 25 PSI Metric Kit - Vision Black Notes: Metric kit. Includes 6' nylon tubing kit, fittings and 1/8-27NPT to M16, M14, M12 x 1.0, M10x1.0 & 1/8x28BSP adapters Range: 30 PSI - 25 PSI. On Dial(s): TURBO Technology: Mechanical. Sweep: Full. Voltage: 12 Volts Compatibility: Metric Kit.