You've got a fat cable run or a connector housing that's outgrowing its sleeve. This 20mm white heatshrink is the one that actually fits without you stretching it to the point of snapping. Flexible, flame-resistant polyolefin. UL224 E180908 rated to 125°C. Shrinks to half its diameter and locks on tight. Heatgun or hairdryer – ten seconds of heat and the job's done
| brand | Jaycar |
| sku | WH5577 |
| colour | White |
| diameter_mm | 20 |
| material | Flame-resistant polyolefin |
| shrink_ratio | 50% |
| rating | UL224 E180908, 125°C |
| application_method | Heatgun, hairdryer, gas burner, or match |
| category | Electronics & Components > Cables & Connectors |