It is imperative that workers properly lockout/tagout machinery and equipment to prevent serious injury. The lockout kit provides all items required to make lockout/tagout as convenient and easy as possible. Plastic lockout devices are made of a polypropylene that is highly resistant to cracking, abrasion and extreme temperature changes (-50° F to 360° F). Fully dielectric along with resistance to solvents and other chemical products. Lockout/tagout kit contents. Sold by the each.