MATERIALS AND QUALITY: The combination kit is made of high quality spring steel, which ensures a long service life in any workshop without replacement. It has greater mechanical, hardening and other properties than other common carbon steels. Excellent alternative solution to replace the hitch pins on most equipment. [Value item with reasonable packaging] [Package] 2 styles of cotter pins and R hair clips. This cotter pin set contains 6 sizes 420 cotter pins and hairpins ( see pictures for detailed sizes ) to meet your different needs. Convenient clear re-sealable storage case packs all materials together for easy carrying, organization and easy to identify size markings, meaning you can easily find the cotter pins you need. EASY TO USE:High quality cotter pin hitch pin combo kit is easy to install and remove. It secures bolts and pins quickly and safely so your work won't shrink. It can quickly and securely fix bolts, easy to install and remove. [WIDE APPLICATIONOur cotter pin set comes with 420 pcs in 6 different sizes for fixing bolts and pins for automotive, machinery, garage, workshop, power equipment, car, truck, lawn mower, small engine repair and fastening. Perfect for repairing any machinery, car or small engine. QUALITY ASSURANCE:Customer satisfaction is our pursuit. We are confident in our ;