These plastic sleeve inserts are designed for DIY educational projects and toy model assemblies. They are for securing axles in toy vehicles, ensuring smooth and efficient transmission. The inserts fit snugly into axles, providing stability and reducing friction. Ideal for hobbyists and model enthusiasts, these components enhance the performance and longevity of your creations. Features -Color:Orange -Material:Plastic -Size:0.50X0.20X0.20cm/0.20X0.08X0.08in -Inner diameter:2.0mm -Precision fit: designed for axle shafts, these plastic sleeve inserts ensure a secure and accurate fit, enhancing the stability and precision of your diy educational projects -Durable material: made from plastic, these bushings minimize wear and tear, making them ideal for frequent use in experiments and modelbuilding activities -Easy installation: featuring a convenient design, these bushings simplify the process of axle adjustments, saving time and improving overall efficiency -Smooth transmission: engineered for transfer, these bushings reduce friction and enable seamless axle movement for dynamic and fluid demonstrations -Versatile compatibility: suitable for various straight axle applications, these bushings are for toy models, teaching aids, and creative diy projects Package list: 100 shaft sleeves