Features: Durable Construction: Made of good-quality spring steel and stainless steel, these cotter pins are designed to withstand heavy-duty use in cars, trucks, lawn mowers, and more, ensuring long-lasting performance. Secure Fastening: The stainless steel cotter pin clip key fasteners ensure a secure and reliable hold, preventing parts from coming loose during operation, making them ideal for use in demanding environments. Easy Installation: These spring cotter pins are easy to install and remove, saving you time and effort during maintenance or repairs on cars, trucks, dolly pins, trailers, and more, making them a convenient and practical solution for mechanics and diy enthusiasts. Professional Grade: Designed for professionals and hobbyists alike, these cotter pins meet highly industry standards for quality and performance, providing peace of mind to know your equipment is securely fastened and reliable in any situation. Intimate Service: We attach great importance to product quality and provide customers with premium quality products and thoughtful after-sales service to meet the needs of each customer. Specifications: Material: Carbon Steel Surface Treatment: Galvanized Note: Due to the screen lighting effect, the actual color of the product may be slightly different. Due to manual measurement, please allow size error. Include: 1 Set Spring Steel Cotter Pins (100pcs)