[Product Material]: All the cotter pins are made of 304 Stainless Steel, rust and corrosion resistant, durable and steady not easy to break.[Product Feature]: The cotter pin with hair pin style design gives fast and secure hold for bolts and pins, specialty locks to tight hold that will last long.[Easy to use]: Place the cotter pin in the hole, the bulbous head will stop the pin from moving all the way through, bend the open tips to secure in place.[Application]: Widely used for automotive, mechanics, car garage, workshop, equipment, , trucks, lawn mower and etc.color: silverMaterial: 304 Stainless SteelSize: M16 * 25, M25 * 25, M25 * 40, M30 * 30, M30 * 40, * 60Package Contents:100 * M16 * 25mm Split Cotter Pins80 * M25 * 25mm Split Cotter Pins60 * M25 * 40mm Split Cotter Pins40 * M30 * 30mm Split Cotter Pins30 * M30 * 40mm Split Cotter Pins30 * M40 * 60mm Split Cotter PinsOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.