Usage Tips:Widely applicable: the automotive AC valve core remover and installer tool set is suitable for R134A and R1234YF automotive air conditioning systems, and is compatible with standard, and Schrader valves; Quality valve air conditioning valve core are compatible with R12/ R134a/ R1234YF automotive and household air-conditioning accessories Quality construction: the valve core remover and installer tool kit is made of solid and sturdy metal materials, reliable and ; The parts are oil-resistant, impact-resistant, -resistant, water-proof, not easy to chip and break, which support a long time application Easy to store and use: the valve core remover and installer tool kit comes with a box, which is easy to store, does not occupy too much space, and is simple to operate, only takes a few minutes to complete the removal or installation process; Our products can provide you a fast and effective valves replacement work 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. Colour:Photo Color Material:Metal Package Contents: 2 x valve core quick remover installer 2 x R1234YF service replacement port 1 x remover installer tools 10 x R134a Refrigeration schrader valve cores(random colors, don't accept the specified color) 20 x R12 Refrigeration schrader valve cores(random colors, don't accept the specified color) 5 x R1234YF Refrigeration schrader valve cores(random colors, don't accept the specified color) 20 x O-ring rubber seals Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.