Bosch SP0F000009 Metric Adapter Kit 5 brass bushings For adapting electrical oil pressure and temperature gauges and mechanical oil pressure, boost gauges/senders (except mechanical temperature gauges) to metric thread engines Included are: M10 X 1.0 to 1/8" NPT - Electrical & Mechanical Pressure and Boost gauges; M12 X 1.0 to 1/8" NPT - Electrical & Mechanical Pressure and Boost gauges; M12 X 1.75 to 1/8 NPT - Electrical & Mechanical Pressure and Boost gauges Also includes: M14 X 1.5 to 1/8" NPT - Electrical Pressure & Temperature, Mechanical Pressure and Boost gauges; M16 X 1.5 to 1/8" NPT - Electrical Pressure & Temperature, Mechanical Pressure and Boost gauges Caution: Electrical Temperature Gauges are only compatible with the M14 x 1.5 to 1/8" NPT and the M16 x 1.5 to 1/8" NPT