It is imperative that workers properly lockout/tagout machinery and equipment to prevent serious injury. The V-SAFE™ valve cover consists of two flattened half moons that completely cover the valve wheel. 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. 5 different sizes to cover valve handle from 1” to 14” diameter. Red color. Sold by the each.