Klein Tools' 24-Inch Bubble Level features powerful rare earth magnets with patented magnet track on one side and V-groove on the other. This precision machined level is accurate and durable with an orange body for visibilty so it won't get lost on conduit or pipe. Rubberized end-caps provide increased drop protection of 9.9-Foot. Transfer angles between multiple surfaces with adjustable vial. Patented magnet track keeps powerful rare earth magnets-Inch place. 24-Inch high visibility orange body with +/- 0.029-Degree vial accuracy. Vial accuracy is +/- 0.029. Rubber grip handle for easy transportation and use. Orange body for visibility so it wont get lost on conduit. Protrusions on rubber end caps help prevent movement while on walls. Hang holes on each end for easy storage. US Patent 9,964,407. 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.