MAKITA UC4000A UC4001A UC4003A UC4030A Chainsaw Chain 40cm16 inch 56 Link | eBay
The drive cup (clutch basket assembly) is suitable for electric saws Makita, UC3000A, UC3001A, UC3500A, UC3501A, UC4000A, UC4001A, UC3503A, UC4003A internal hook 6 teeth analog 225223112 - AliExpress