Materials: It's made of high-quality aluminum alloy, with good heat conduction effect, high gloss and durability. Multiple Sizes: We offer 28mm / 30mm / 32mm / 34mm / 36mm / 38mm / 40mm sizes to meet your different requirements for different water pipes. Fitment: Fits for most cars. Fits for water temperature gauge,glowshift water temperature gauge, Defi water temperature gauge, Depo water temperature gauge ,VDO water temperature gauge. Note: Please check and confirm the size before purchase! Also consider the flexibility of the water pipe. Package Included: 1 x Water Temp Joint Pipe, 2 x Clamp