Klein Tool's Marking Tool Set with Replacement Leads includes Cat. No. 86501 Skribes Mechanical Marking Tool and Cat. No. 86503 Replacement Multi-Color Leads 10-Pack. The Marking Tool is made with durable lead that creates clear, long-lasting lines for markings and labeling on jobsite materials. Replacement Multi-Color Leads come in a convenient 10-Pack, stored in a carrying case. For more than 160 years, Klein Tools has manufactured premium-quality, professional-grade hand tools that deliver the performance, durability and precision needed to get the job done right. Our family of engineers, workers and craftsman continue to put six generations of expertise into every tool we create by using only the highest quality materials, superior workmanship, and keeping manufacturing as close to home as we can. Klein isn't just the name of our company, it's also our family name. And since we're an American company that's family-owned and family-run, you know you can count on us to be here tomorrow. Klein Tools doesn't just make great products, we make great products that stand up to the demands of the professionals who use them every day ... Since 1857.