The TRACER Deep Hole Construction Pencil with ALH1 Replacement Lead Set is the ultimate solution for marking in hard-to-reach spots. Built to outperform traditional carpenter's pencils, this all-purpose 2B lead marker features a fully extendable and retractable lead, letting you mark up to 4 inches deep in a 1/8-inch hole and an impressive 5-3/4 inches deep in a 1/4-inch hole. Whether you're working with lumber, electrical boxes, tile, piping, or sheet metal, this extra-long construction pencil produces clean, precise lines where other markers simply can't reach. The included TRACER site holster keeps your pencil secure and always within easy reach, while the built-in sharpener ensures the lead stays sharp for crisp marking. The refill pack contains six 4-3/4-inch anti-snap 2B graphite leads, stored in a compact dispenser for quick swaps when the job demands speed. Ideal for electrical, plumbing, framing, finish work, and fit-outs, this tool is purpose-built to handle tight, awkward, and confined spaces with ease.