Usage Tips:Ensures your air conditioning systems are leak and fully operational with our comprehensive valves Cores set, designed for seamlesses R134a refrigerants repairs on both automotive and household units. Crafted from materials like silicone, brass, and stainless steel, this air conditioner repair tool set includes a variety of valves cores, spacers, and wrench, all organized in a convenient storage box for easy access. Suitable for professional air conditioner technicians, auto mechanics, and enthusiasts looking to perform precise maintenance and repairs on various air conditioning systems. Whether you're in a workshop, garage, or dealing with emergencys fix, this air conditioner valves Cores set is your go to solution for air conditioner repairs. Precisions engineered for compatibility across multiple models, our valves Cores set ensures a perfect fit and seal, making it essential addition to any toolkit for maintaining air conditioning performances. Note:Installation guide not included, Please check as much as possible to make sure the item is what you need. Tips:The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use. Colour:As Shown Material:Metal Package Contents: 1 x Air Conditioning Valve Core kit(19PCS) Only the above package content, other products are not included. Note: Light reflection 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.