This is a 42"Archer Professional Solid Steel Guide Bar, this guide bar works great on Stihl models 034, 036, 038, 040, 041, 042, 044, 045, 046, 048, 056, 064, 066, 088, MS260, MS261, MS270, MS280, MS290, MS291, MS310, MS311, MS341, MS360, MS361, MS362, MS381, MS390, MS440, MS460, MS660, MS661, MS661C plus other Stihl models. The bar is 3/8 pitch, 063 gauge and uses a 136 drive link chain.
Note: This is a solid steel guide bar that comes with a replaceable sprocket nose tip, the tip is not made by Oregon but an Oregon replacement tip will fit right on this bar.
Archer Saw Chain and Archer Guide Bars are known for quality and sold world wide!