16" Micro-Lite 90SG 3/8" Pitch .043" Gauge Replacement Cutting Chain. Designed for landscapers and homeowners who use small, low-powered saws. With 55 drive links, this chain meets ANSI standards and is UL classified. It fits Stihl & Stihl Pole Saws and is backed by a lifetime warranty. The narrow kerf cutting system increases efficiency by requiring less power from the saw compared to standard cutting systems.