DYMO Rhino Professional, noticeable shrink tubing, 12 mm x 1.5 m, black text on yellow shrink tubing. Heat shrinkable polyolefin for cable diameter between 2.97 mm - 5.13 mm. Fits Rhino labeling machines. Shrink hose is applied before shrinkage Sits secure when shrunk with, for example, heat gun 3: 1 shrinkage ratio Permanent permanent pressure Flame-proof MIL- DTL-23053/5 Class 1 and 3