I am interested in the plastic grip that is applied to the handle bars for these chainsaws. It is a grey plastic wrap on a metal bar. Is this plastic shrink fit onto the bar with heat? If so, I would like to order a supply of the grey plastic hose that fits onto the metal bar. HTTP: //farmertec. En. Made-in-China. com/product/gbMJWFEUHZRp/China-Chainsaw-Parts-Hand-Bar-Handle-Bar-for-Husqvarna-345-346-350-351-353-Chain-Saw. HTML Show More