Ryobi RCS4845 Chainsaw Chain 18" (45cm) - Oregon 95TXL072E - 72 Drive Links 21LPX072E - Oregon PowerCut Chainsaw

21LPX072E - Oregon PowerCut Chainsaw Chain - 72 Drive Links fits 18" (45cm) Husqvarna 545 chainsaw

This bar requires a 78 Drive Link

21LPX056E - Oregon Chainsaw Chain - 56 Drive Links fits 13" (33cm) Husqvarna 555 chainsaw

Stihl 36900000066 / 3690 000 0066 / 36900000066 Chainsaw Chain - Stihl Rapid Super - RS - 66 Drive Links

Ryobi RCS4845 Chainsaw Chain 18" (45cm) - Oregon 95TXL072E - 72 Drive Links 21LPX072E - Oregon PowerCut Chainsaw95TXL072E 95TXL072X Oregon Chainsaw Chain 72 Drive Links fits the Ryobi RCS 4845 chainsaw fitted with an 18" (45cm) guide bar. Faster Get a faster, easier cut with a reshaped cutting surface and narrow kerf design Sharper Sharper, more durable cutting edge from a new precision grind and optimized cutting angle Easier An easier to sharpen chain, with the cutting surface matched to the file. More indicators help you spot the recommended filing angles.