10" replacement saw chain for Troy-Bilt Model 20-volt TBCS57

10-inch replacement chainsaw chain for Troy-Bilt 20-volt Lithium-ion (Li-ion) 10-in Cordless Electric Battery Chainsaw fits Item #203599 saw Model #TBCS57 10-inch cutting length bars.  Oregon's 91PX saw chain is made in the USA and designed for farmers, homeowners, orchardists, and novice chainsaw users looking for a low-vibration, low-kickback chainsaw chain. The Chamfer Chisel cutters feature twin cutting corners for excellent cutting performance. The cutters are durable and easy to maintain. The narrow 91PX AdvanceCut takes less power while cutting a narrower kerf and provides the saw to maintain higher RPMs for increased efficiency. The combination of the bumper drive link and depth gauge design offers a safer choice with reduced kickback and stronger performance for smaller CC saws. Sharpens at 30 degrees with a_5/32"_file If you have a 91 stamped on your current drive link and there are 40 drive links, and Bar stamped (3/8LP) or (3/8 LP) (050) or (1.3mm) (40 DL), this chain