TWO X New STIHL 10" 42 x 1/4   replacement chains.

FITS Makita Makita BUC122 and-

Black & Decker

A6150, GK1000, GK1050, GKC1000, GKC1000P

MPN 3661 000 0042

proffessional semi chisel chain.

To work out your size remove chain & count the little links which fit into the guide bar ,see pic two.

Any questions don't hesitate to contact me over size! & models etc.

And don't forget to check my other sales &auctions.