about this item R-SHAPED COTTER PIN: The r-shape cotter pin is used to fix U-shaped clamp pin, cotter pin and other pivot pins. It is suitable for various household and commercial applications and can perfectly replace lost parts and stay in place. WIDE RANGE OF USES: r cotter pins can be used in lawns and gardens, hook receivers of remoASDuage and other apps. It can also be used in cars, remoASDues, prams, racks, scaffolding, agricultural machinery, coal mines, etc. R-SHAPED DESIGN: The R-shaped design of the steel cotter pin can quickly and securely fasten bolts and pins. It can save your time and increase your work efficiency. These heavy-duty cotter pins have a solid structure, reasonable structure, easy to operate, and will not loosen during use. It will be the most effective assistant in your work. DURABLE MATERIAL: The clips and pins are made of high quality spring steel. Spring steel has the properties of heat resistance, low temperature resistance, oxidation resistance and corrosion resistance, and is harder than copper or copper. It ensures a long life in all mechanical operations and can be reused. CLEAR AND CONVENIENT: Our r pin comes with a plastic storage box. Each cotter pin has a small compartment to ensure cotter pins of different sizes don't get mixed up. It is more convenient and simple to use. Product Description Features： Cotter pin type R Cotter pins in the shape of a R pins are used to secure U-clamp pins, split pins and other pivot pins. Has many uses R Cotter pins can be used in lawns and gardens, remoASDuage hook receivers, cars, remoASDues, buggies, racks, scaffolding, agricultural machinery, coal mining, etc. 6 different sizes There are 6 to choose from different sizes of cotter pins. 50 in 2.38*30.1mm, 35 in 1.98*33.34mm, 35 in 1.98*39.69mm, 25 in 2.78*41.37mm, 25 in 3.57* 44.45mm, 3.96*75mm De 10. R-shaped design Steel R-shaped design for overhead allows fast and secure fastening of bolts and some pins. It saves your time and improves work efficiency. Durable material Clips and pins are made of high quality spring steel. Spring steel has the characteristics of heat resistance, low temperature resistance, oxidation resistance and corrosion resistance, and is harder than copper or copper. Product information：<br/ > Material: Steel spring Size: 2.38*30.1mm 42pcs、1.98*33.34mm 30pcs、1.98*39.69mm 25pcs、2.78*41.37mm 25pcs、3.57*44.45mm 20pcs、3.96*75mm 8pcs 607g Packing size: 20*10.5*2.7cm Package Contents: 150 pcs x Cotter Pins