This assortment of safety pins includes 6 popular sizes and is an ideal choice for a variety of applications in your garage, shop or home. The production material gives it high hardness and wear resistance. They are used to secure hoses in low to moderate pressure applications, in the garage, shop or home. These cotter pins are very easy to install and are also reusable. They are also sorted and delivered in a convenient resealable plastic case to prevent them from being lost or damaged.