Hammer Tacker / Razor Knife Hybrid Tool (AKA Tack 'n' Slice)

[Keith William Knull]

Very interesting stuff - and new to me, too! How would you assess its ability to seal a small leak in an automotive heater hose vs. silicone tape?

Ken

Specs say max 100F for the tape. I would never use this product as a permanent fix anywhere near hot engine components.