When used with our carpenter’s retractable pencil, this lead forms a knifelike edge that resists fracturing. This makes it ideal for marking lumber, metal, ceramic or concrete. Each lead is 4" long and 7/32" by 3/32" (5.5mm by 2.5mm) in cross section and is easily sharpened on sandpaper.
Available in packages of 5. Comes in a durable storage tube.