About This What Get: the package comes with automotive air conditioner valve core remover and installer tool set, including 3 pieces valve core remover tool, 10 pieces R134a refrigeration schrader valve cores, 20 pieces R12 refrigeration schrader valve cores, 5 pieces R1234YF refrigeration schrader valve cores, 20 pieces O-ring rubber seals, complete accessories to meet your daily disassembly and assembly needs Widely Applicable: the automotive air conditioner valve core remover and installer tool set is compatible with R410, R22, R134A and R1234YF automotive air conditioning systems, and is compatible with standard, JRA and Schrader valves; Quality valve air conditioning valve core are compatible with R22/ R410/ R134A/ R1234YF automotive and household air-conditioning accessories; Please check if the model is what need Quality Construction: the valve core remover and installer tool kit is made of solid and sturdy metal materials, reliable and durable; The parts are oil-resistant, impact-resistant, corrosion-resistant, water-proof, not easy to chip and break, which support a long time application Easy to Store and Use: valve core remover and installer tool kit come with box; The connector without text mark is suitable for the connector model compatible with R134A, one adapter is suitable for R22, the other adapter is suitable for R410; If are the right model, need to exchange the valve stem of the low pressure port and the high pressure port; The valve stem of the high pressure port is applied to replace the connector model compatible with R1234YF, valve stem can be replaced at will Practical Tools: valve core remover and installer tool kit is equipped with several pieces rubber ring, which can be applied to replace the leaking refrigerant valve core, they are oil-resistant, and wear-resistant; It is very suitable for mechanics, cars, trucks, motorcycles, bicycles, ATV, etc. Overview Product Dimensions : 9.45"L x 7.09"W x 2.36"H Brand : Frienda Power Connector Type : 3-Pin Cooling Method : Air Compatible Devices : Amplifier Noise Level : 144 Decibels Material : Metal, Rubber Maximum Rotational Speed : 111 rev/month Number of Packs : 3 Manufacturer : Frienda