This item is a pack of , which is made of spring steel with black oxide finish to resist rust and corrosion. It is a must have in many situations and are for a variety of securing tasks. It is suitable for automotive applications, industrial equipment, machinery and hobbies. Features - Color: Black - Material: Carbon Metal - Size: About 2.7 x 2.3 x 0.2 cm - 15 of the most widely used sizes . - A must have in many situations and are for a variety of securing tasks. - Made of spring steel with black oxide finish to resist rust and corrosion. - Suitable for automotive applications, industrial equipment, machinery and hobbies. - A great addition to your tool box. Package list: 15 x 8MM 15 x 10MM 15 x 11MM 15 x 12MM 15 x 13MM 15 x 14MM 12 x 15MM 12 x 16MM 12 x 17MM 12 x 18MM 12 x 19MM 8 x 20MM 8 x 22MM 8 x 24MM 8 x 25MM