DT20660 Oregon® Chainsaw Bar 40cm (16in) - DEWALT DT20661-QZ, Replacement DEWALT Oregon® Chainsaw Bar for the DEWALT DCM575 XR FlexVolt Chainsaw. They have a Lubri-Dam® oil-retaining feature that prevents oil from running out of the bar's tail, keeping more oil on the bar and chain. High-quality squared, polished rails minimise chain leaning.1 x DEWALT DT20660 Oregon® Chainsaw Bar 46cm (18in) DEWALT DT20660 Oregon® Chainsaw Bar 46cm (18in)