General description Assortment of 104 pieces including 100 valve cores and 2 valve core remover/installer tools, perfect for mechanics and air conditioning repair shops. This kit includes 99% of the valves suitable for cars driven in various regions, including Japan and South Korea. Technical specifications Name: R134a R12 Spool Kit Core cavity: ordinary core cavity Assembly method: screw-on Valve Length: 20mm / 0.78 inch Spool Length: 19mm / 0.75 inch Length: 75mm / 2.95 inch Material: copper Color: Yellow, Red, Blue Package Contents 102 x Air Conditioning Valve Core 2 x lid Other information