The Delta 28-984 is a band saw height attachment for Delta 14 inch band saws. The band saw height attachment adds another 6 inch of cutting capacity to Delta 14 inch band saw. It includes a cast iron height block, a longer bolt and blade guide extensions. The height under the blade guide will be extended to a maximum of 12-1/4 inch when installed. With cast block, dowels and bolt, extension, front and back blade guards. Increases capacity under guide from 6-1/4 inch to 12-1/4 inch Must be used with 105 inch blades. The Delta 28-984 band saw height attachment is for use with 14 inch band saws only.