Replacement chainsaw chain 3pack for 16 inch bars, 3/8 inch LP pitch, .043 inch gauge, 55 drive links. Compatible with MS170, MS171, MS180, MS180C and models using part number 61PMM355 R55. Key benefits Ready spares: Three replacement chains let you swap out a dull or damaged chain quickly and keep working without delays. Correct fit: 16 inch length, 3/8 inch low profile pitch, .043 inch gauge, and 55 drive links match the specified saw models for reliable installation. Restores cutting performance: Replacing worn chains restores cutting consistency so you get cleaner cuts and more efficient cutting cycles. Cost effective maintenance: Having spare chains on hand reduces downtime and avoids repeated singlechain purchases. Important attributes Function: Replacement cutting chains for standard homeowner and lightduty chainsaw tasks. Compatibility: Designed to fit MS170, MS171, MS180, MS180C and other saws that accept a 16 inch bar with 3/8 inch LP pitch, .043 inch gauge, and 55 drive links; compatible with part number 61PMM355 R55. Size and specification: 16 inch length, 3/8 inch low profile pitch, .043 inch gauge, 55 drive links. Pack quantity: Three chains included for extended service life between purchases. Practical use scenarios Firewood preparation: a worn chain before cutting small to medium logs for firewood to maintain efficient cutting and predictable feed. Storm and yard cleanup: Keep a spare chain available when clearing fallen branches and debris so you can finish a large cleanup without interruption. Routine property maintenance: Swap chains quickly during pruning and trimming sessions to maintain steady cutting performance across multiple tasks. Installation and care notes Confirm your saw accepts a 16 inch bar with 55 drive links, 3/8 inch LP pitch, and .043 inch gauge before installation. Follow the saw manufacturer manual for proper chain tensioning, lubrication, and breakin procedures to ensure consistent performance and chain life. This threepack provides a straightforward, compatible replacement option to keep your 16 inch saw operating reliably across routine cutting and maintenance tasks.