● Fits for Stihl 10 inch chainsaw, Husqvarna 436 LI, T536 LiXP, 536 LiXP, Echo CS-271, PPT-2620, PPT-2620H, PPF-2620, WG 323 322, and more. Compatible with Oregon 90PX040G R40. ● Semi chisel cutters with aggressive cutting edge are more durable for rough sawing. ● German origin steel and Blued Cutters provides great surface hardness and durability to make your saw stay sharp longer. ● 3/8LP Pitch, .043" Gauge, 40 Drive Links, 10 Inch Bar Length. ● Sequence: Standard. ● For saw sizes up to 42 cc.