Heat shrink tubes with 4 to 1 shrink ratioPTFE, heat shrink tube, teflon tubing, shrink ratio 4 to 1 DownloadPreviewTemp: -200°C to +260°C, teflon tubing, big shrink ratio of 4 to 1RP-4800, heat shrink tube, high shrink ratio 4:1 DownloadPreviewTemp: -55°C to +135°C, for repairings, very large shrink ratio of 4 to 1 Display Num 5 10 15 20 50 All