Haddon Lumbermaker Cut any size lumber you need right where the tree falls, use for a cut off saw, Make boards, beams, planks, and more with your chain saw and this inexpensive tool! The HADDON LUMBERMAKER fits all chain saws, & attaches to the bar in seconds. MADE IN THE USA, includes 30 page "how to" owners manual, fits 2x4 or 2x6 guide board Works with regular chain, saw swivels for PLUNG cuts, has a LIFETIME GUARANTEE!!!