Attention RC rock crawler fans! These aluminum alloy drive shaft joints are exactly what you need to upgrade your 1/10 scale rig. Coming as a 2-piece set with an adjustable length range from 103mm to 148mm, they're compatible with popular models like Axial SCX10, AX10, Tamiya CC01, D90, RC4WD TF2, and most 1/10 RC rock crawlers. Made from high-strength metal alloy using CNC machining technology, these joints are built to handle tough off-road conditions without failing. The red anodized finish looks awesome and adds corrosion resistance. With a diameter of 11.5mm and 5mm joint holes, they provide a secure, precise fit for your crawler's drivetrain. Weighing only 58g each, they're lightweight enough to improve handling without adding unnecessary bulk. The adjustable design means you can fine-tune the length to perfectly match your specific setup requirements. Installation is straightforward and they make a noticeable difference in performance - smoother power transfer, better durability, and improved reliability on challenging terrain. Whether you're upgrading an existing rig or building a new one, these drive shafts deliver professional-level performance that serious crawler enthusiasts appreciate. The quality is immediately apparent when you hold them - solid construction, precise machining, and attention to detail that makes them worth every penny for improving your RC crawling experience.