Nov 22, 2010 · These saw mill attachments mount easily to your chainsaw bar for fast, easy lumber production. (The chainsaw’s bar must be at least 2-1/4˝ wide.) Use thepact, lightweight Alaskan Small Log Mill with chainsaws 20˝ or smaller. Three sizes of the Alaskan Mark IV Saw Mills are available for 24˝, 30˝, and 36˝ chainsaws. Requires 3/8 Pitch Ripping Chain (sold separately).