Length 100' Reel Pitch 3/8" Low Profile (Picco) Gauge .043" (1.1mm) Narrow Kerf Drive Link Count 1640 Drive Links Cutter Type Narrow Kerf Sequence Standard Recommended File Size 4.0mm (5/32") Recommended Saw Sizes 2.3-3.8 cubic inches (38-62cc) Recommended Bar Lengths 10"-16"(25-40cm) Kickback Reduction Features Single-Humped Drive Link Replaces Stihl Part Numbers 61PMMC3, 61PMN, 61PMC, 61PM1 Replaces Oregon Part Number 90PX, 90SG Replaces Carlton Part Numbers N4C-BL WARNING: The saw chain in this package is low kickback chain. It met with the reduced kickback requirements of ANSI B175.1 when tested on a representative sample of chainsaws. Its safety features significantly reduce the hazard of kickback while maintaining high cutting performance, ALL CUTTING CHAINS CAN KICKBACK, which may result in severe personal injury to the chainsaw operator or bystanders. Operate your chainsaw safely. Read all warnings in your chainsaw operator's manual. Swiss made OEM chainsaw chain from Stihl. Stihl saw chain is made for the most demanding cutting conditions and is loaded with professional features. Stihl chain has Oilomatic drive link lubrication slots, which funnels oil directly to the rivet to reduce wear. Stihl chain is also pre-stretched at the factory, which helps eliminate excess adjustments during break in periods. 61PMM3 is part of the Stihl Picco Micro Mini 3 series. This chain has reduced kickback and low vibration features. 61PMM3 is a narrow kerf (.043") low profile saw chain designed for lightweight chainsaws and pruning saws. The combination of reduced kickback and low vibration features with improved cutting and boring efficiencies make it a favorite of professional arborists.