The Toolcraft TO-5438031 knurled pin is a high-quality accessory for RC cars, made from robust steel. With an inner diameter of 4 millimeters and a length of 10 millimeters, this knurled pin offers a reliable solution for various applications in model building. The precise workmanship and use of metal material ensure high stability and durability, making it an ideal choice for hobbyists and professionals alike. The packaging unit includes 100 pieces, providing a sufficient quantity for numerous projects. This knurled pin is specifically designed for use in RC cars and perfectly meets the requirements of model building enthusiasts. Whether for repairs or the construction of new models, the Toolcraft knurled pin is an essential accessory that supports the functionality and performance of your RC vehicles.