Heat Resistant Sleeving 600°C 800V       A flexible braided tube suitable  for electrical/heat isolation on component leads,  wire, nichrome, etc.     Temperature range: -30 to 600°C   Max rated voltage: 800V   Sold in 0.5 m lengths     The diameter indicates the natural inner  mesurement before any expansion.         Standard Heatshrink   3mm diameter, halogen free   2:1 shrink ratio   600V / 125°c   Sold in 2m lengths   Multiples will be supplied as a single length