Swanson CPLBLK Black Replacement Lead Cartridges for AlwaysSharp Carpenter Pencil - 24 count Economical. Works with any Swanson mecanical pencil. There are 24 replacemet tips included with a recloseable package that stores neatly in any toolbox, job site, craft bin - even your glove box. The lead will also last 5-times longer since there is no waste due to sharpening Reliable. The Always Sharp refillable carpenter pencils replacement tips are engineered so your Always Sharp pencil never has to be sharpened. It's ready immediately, when you need it. Vibrant. This bright paint color stands out when used on any carpentry, plumbing or similar DIY project Durable. Easy to use when marking block or stone, espeically if you're cutting with a saw. The thick lead mark doesn't blow off like powder, making your work better and more efficient. Consistent. You can count on bold and consistent marks and lines every time. Eventually the tip runs out, but it's an easy 2-step process to simply pull out that spent tip and push it into the back of your Always Sharp pencil in order to push up a fresh, perfectly sharpened point. Back to work in seconds.