Here is 1 brand new Oregon chain to fit Worx model cordless saws with factory .043 gauge 10" bar. 90PX 040 is the boxed part number fits OEM factory Worx 10-inch bar. buy online or call Frawleys Saw Shop 563-544-4498 This chain is 1.1mm or .043 gauge 3/8 low profile pitch and 40drive links.
If you have a 90 stamped on your drive link and there are 40 drive links, these will fit your saw.
This chain fits Bars that use 3/8 Low Profile .043 gauge or (1.1mm) and 40 drive links. Check bar for info stamped on it. This chain sharpens with 4.5mm file.