New and high qualityMaterial:Dingqing graphite silicon carbide + stainless-steel springSize: As the images showNBR Opreating Temperature: -20°C~+100°CFKM Opreating Temperature: -30°C~+180°COpreating Pressure: ≤1.2MPa \Speed: ≤10m/s Package Included:1Set Note:1. Due to guide measurement, please enable an error of 1-3mm.2. As various computer systems exhibit diverse colors, thanks in your understanding, the actual product colour may be slightly different from the image.