20-Inch Chainsaw Bar Chains 3/8" Pitch .050" Gauge 72 Drive Links for Husqvarna 455 460 55 Rancher, for Poulan PP5020AV, for Stihl MS290 and More is up for auction in Tools & Home Improvement. The current bid is $9.16, 77% below the $39.99 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.