High Visibility Pencil Refill: The solid white pencil refill is smooth, firm, reliable and waterproof; The white refill is suitable for marking on dark surfaces such as dark wood and dark composite deck High Adaptability Pencil Refills: The refill fits perfectly with various brands of 2.8mm hole pencil holders and universal architectural marking; It is widely available for construction, automotive, metal, plastic, wood and paper, and is ideal for carpenters, architects, craftsmen or anyone who needs it Standard Size: Carpenter pencil refills are 2.8mm in diameter and 12cm in length, and with a sharp tip that you can remove and load into a mechanical pencil for direct use; Allows you to do the marking or drawing work effortlessly and without worry Easy to Carry: The package includes 8 boxes of white refills (each box contains 12 refills); You can get 48 white refills. The refill pack is enough, easy to replace, lightweight to carry, and can be used for a long time. Exquisite gifts: 48