The Alaskan small log milling attachment is perfect for the woodworker, homeowner or carpenter. Handles up to (in.): 1/2 to 13 thick and 17 wide Works With :Chain saws with 20in or less bars Designed to fit chain saws with 20in. or less bars High-quality mill cuts beams or lumber from 1/2in. to 13in. thick and 17in. wide Attaches to saw without drilling bar