9" Aluminum Standard Long Flat Knife. This flat cut-out knife is designed for use in tight spaces and any odd job around the shop. Constructed from high-strength 1/4" thick anodized aluminum. Molded high density handle ensures stable, tight grip. These flat long knives incorporate a stainless steel nut and screw to reduce stripped threads and improve the life of the long knives. Uses standard notched razor blades.