Hotouch Compression Tester Plus - 8 Piece Kit Case size:30x20x5.8cm-(11.7"x7.8"x2.3") Comes with 1/2" diameter x 14" extension hose, straight and angled fittings, rubberized gauge protector and a blow mold case. Fittings: M10, M12, M14, M18 (Male, With "O" Ring) Includes 14mm and 18mm spark plug adapters Package Content:2xrubber cones ends;1x3" Gauge has dual color scale with 0-300 PSI,0-20 kPa;4x Fittings M10, M12, M14, M18 (Male,with "O" Ring);1x with 1/2" diameter x14" extension hose