NOTCH POCKET KERF WEDGE by Bartlett Arborist Supply Save Liquid error (product-badge line 32): -Infinity% $7.99 SKU LOG-35211 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Used for temporarily inserting into the kerf you create while cutting with your chainsaw. It keeps the kerf from 'pinching back' while you finish the cut.