The movable thimble can precisely control the high and low pressure valve needle of the air conditioning.Good CNC machine tool processing and multiple parts of the connection can ensure that the safety valve does not leak.Made of high-quality brass material, it is durable and practical to use.The length of the product is 7cm and the width is 2cm.It is very suitable for home air conditioner. From the high quality design, the top rotation is easy to use. It is easy to switch operations regardless of how the safety valve is placed. And the safety stem ejector will move forward to the air valve in the stem valve of the pipe.Item Name: Safety ValveMaterial: BrassModel: R410/R22Style: A/F: R22 to R22, B/E: R22 to R410, C/G: R410 to R410, D: R410 to R22 (Optional)Features: Sealed, Leak-proof, Refrigeration ToolSize Details: 7cm x 2cm/2.76" x 0.79" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Safety Valve