Oregon 5/32 in. Round Saw Chain Files (2-Pack), for sharpening 3/8 in. low profile and 1/4 in. pitch saw chain in the Chainsaw Accessories department at Lowes.com
Oregon Chainsaw File Guide, Includes 5/32 in. Round Saw Chain File, for 3/8 in. low profile and 1/4 in. pitch saw chain 25894 25894-21 - The Home Depot
1/8" X 6" Chain Saw File | Agri Supply
Oregon Chainsaw File Guide | The Arborist Store
2 in 1 Filing Guide & Saw Chain Sharpener | STIHL USA
Vintage Oberg / Sandvik 8 Inch x 1/4" Round Chainsaw File Made in Sweden *NEW* | eBay
Amazon.com: Saker Chainsaw Sharpener for 3/8''LP Saw Chain,File Dia. 5/32''(4.0mm),Easy File Chain Saw Chain Sharpener Tool for 4''-6'' Mini Chainsaws : Patio, Lawn & Garden
Oregon Chainsaw Sharpening Kit - Includes File Guide, 5/32 in. Round File, Flat File and depth gauge adjustment tool 104004 104004-21 - The Home Depot
Powercare 3/16 in. Chainsaw File and Guide 316FGPC2 - The Home Depot