Here you can find heatshrinks and braided sleves ("snake skin") of different sized for DIY cables.
Colored Flexible Polyolefin, 2 to 1 Ratio Heatshrink, different colors
Braided Sleeve for Power Cables, 1/2"=12.7mm, select colour, by 0.5m
DH-Labs Jumper Cables set with Locking banana
DH-Labs Jumper Cables set with Z-Plug
14awg pure silver improves clarity & dynamics and will outperform...
SB Acoustics ARA Silk dome Special...