What You Get You will receive an assortment of 100pcs spring cotter pins in sizes 1.0 x 17mm, 35pcs, 1.2 x 21mm, 20pcs, 1.5 x 28mm, 15pcs, 1.8 x 3.7mm, 10pcs, 2.0 x 40mm, 10pcs, 2.5 x 45mm, 10pcs. . It is a practical and widely used mechanical industrial fastener. Premium Material All spring cotter pins are made of excellent galvanized steel with smooth edges, rust and corrosion resistant, stable, not easy to break, sturdy and durable for long term use. Easy to Use The stainless steel locking pins have a hairpin design to prevent the screw connection from loosening. It can lock the latch quickly, safely and effectively and prevent its relative rotation. Easy to Store Our cotter pin comes with a plastic box which can store all the cotter pins to ensure that different types of cotter pins are not mixed together, convenient to use, find, carry and store. Wide Range of Applications These cotter pin assortment sets are suitable for tractors, farm equipment, trucks, cars, caravans, garden