Features: x and high quality x Made of high quality solid metal material, durable and practical to use x Build with strong construction and ergonomic structure for high performance during working x Itand 39 s easy to install and is anti-aging x For W21.8 to 1 or 4and 39 and 39 SAE x For converting R12 to R134a refrigerant, LP and HP connectionSpecifications: x Material: Brass x Color:Gold (As Pictures Show) x Size:As Pictures Show x Quantity: 3PCSPackaging Include:1 x Bottle Adapter On 1 or 4 "SAE thread with free Seal1 x Adapter 1 or 4 "SAE Internal Thread - LP-vehicle Air Conditioning Connection with free Seal1 x Adapter 1 or 4 "SAE Internal Thread -HD Automotive Air Conditioning Connectionwith free SealNote:1.The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2.Please allow slight manual measurement deviation for the data.