Ryobi Chain Blade 18″ Part No 900920004

Genuine Oregon Chain for Ryobi chainsaw 18 Believe it fits the following machinesPCN 4545 with 45cm (18 ) bar RCS 4845C with 45cm (18 ) bar RCS 5145B with 45cm (18 ) bar please check before bidding that your machine will accept this chainone only