It is imperative that workers properly lockout/tagout machinery and equipment to prevent serious injury. The B-SAFE™ covers valve handle, in an open or closed position, for a firm lockout protection with its sliding bracket with multiple hole alignment. The lockout devices are made of a strong 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. Universal lockout for butterly valves. Red color. Sold by the each.