STIHL Oilomatic® PICCO™ Micro™ 3/8" .050 Ga. Saw Chain - 50 Drive Links features the patented OILOMATIC® lubrication system, a standout attribute across all STIHL saw chains. Designed with specialized grooves on both sides of the drive links, this system ensures optimal oil distribution to critical wear points, delivering consistent lubrication throughout cutting tasks. This innovative technology enhances bar oil efficiency, extends the chain's lifespan, and reduces the risk of chain stretching. ing superior durability and performance, this chain is an i choice for maintaining reliability and cutting efficiency in demanding conditions. Model Number: 63PM 55