Heat Shrink

[JuggyUK]

I'm looking for 20mm heat shrink that shrinks to 10mm circumference in red and black. I want to heatshrink my bananas to the speaker cable

Anyone know a walk in store that definitely has that size and colour?

 

[Spuds]

 

[engelbma]

 

[tangmonster]

 

[JuggyUK]