This assortment of expansion and compression springs is a great addition to any toolbox. With 200 springs in 20 different variations, the chances are the size you need will be in the box. These springs are useful for repairing door locks, catches, toys etc. The springs are premium quality CR3 zinc plated spring steel. The assortment includes springs with flat ends and others with hoop ends. Supplied in a handy plastic organiser box 210 x 110 x 30mm.