Constructed from high-quality 304 stainless steel, this cotter pin assortment kit offers exceptional hardness, corrosion resistance, and durability, making it suitable for a variety of applications. The smooth and flawless surface of each cotter pin minimizes the risk of damaging surrounding materials, ensuring a secure fit without compromising integrity. Featuring a convenient clip-on design, these cotter pins are quick to install and easy to remove and reuse, providing a reliable means of securing various nuts and bolts to enhance the safety and functionality of your equipment. Ideal for use in automobiles, machinery, tractors, and gardening equipment, this cotter pin kit delivers a dependable locking effect for a wide array of applications. Included in the kit are 230 cotter pins in six commonly used sizes: 1*16mm (100 pcs), 2*20mm (50 pcs), 2.5*25mm (30 pcs), 3*30mm (20 pcs), 4*35mm (15 pcs), and 5*50mm (15 pcs), all organized in separate compartments for easy access and selection. 1.Products include: Cotter Pin 1*16mm 100 Pcs Cotter Pin 2*20mm 50 Pcs Cotter Pin 2.5*25mm 30 Pcs Cotter Pin 3*30mm 20 Pcs Cotter Pin 4*35mm 15 Pcs Cotter Pin 5*50mm 15 Pcs 2.Usage method: a.Insert the cotter pin into the hole of the bolt until the head of the pin rests against the bolt. b.Secure the cotter pin by spreading the prongs in opposite directions, using pliers if desired. c.Use diagonal cutters to cut excess length from either prong, according to your application standards. 3.Scope of use: Cotter pins are wire formed pins with two prongs that separate during installation. They are used as a locking device to hold pins or castle nuts in place. These low-cost and highly versatile fasteners are used virtually everywhere. 4.Product advantages: low-cost, highly versatile, easy to use 5.Matters needing attention: Wear gloves to protect your hands, ensure safety when performing woodworking jobs.