Feature:1. Universal: Perfect for auto, mechanic, garage, workshop, power equipment, auto, truck, lawn mower, small engine repair and fastening.2. 6 Different Sizes: Storage box includes M1.5x25, M2.5x25, M2.5x40, M3.0x30, M3.0x40, M4x60, meet your different daily needs.3. Hairpin Design: Cotter pin can fast and securely fasten bolts and pins, and the special lock ensures a firm fixation and longlasting durability.4. Durable Material: Made of high quality 304 stainless steel, rust resistant, durable and stable, high quality material and structure ensure long service life.5. Easy Use: When tightening the nut, put the cotter pin into the nut slot and the bolttail hole, and pull out the end of the cotter pin to prevent the nut from rotating relative to the bolt.Specification:Item Type: Cotter Pin KitMaterial: 304 Stainless SteelIncluded Size: M1.5 x 25, M2.5 x 25, M2.5 x 40, M3.0 x 30, M3.0 x 40, M4 x 60Fitment: Perfect for Auto, Mechanic, Garage, Workshop, Power Equipment, Auto, Truck, Lawn Mower, Small Engine Repair and Fastening..Package List:90 x Cotter Pin