The Tracer Deep Hole Pencil with Replacement Lead Set is designed to mark where other pencils can’t. Its fully extendable 2B lead reaches up to 100mm through 3mm holes or 145mm through 6mm holes, making it ideal for hard-to-reach spots. Perfect for marking on timber, tile, metal, electrical installations, and more. This set includes a durable site holster, an integrated sharpener, and a 6-piece anti-snap lead refill, giving you everything you need for deep, accurate, and versatile job-site marking.