The TKR6517 5x14mm Differential Shims (6pcs) from Tekno RC are precision-engineered spacers designed for fine-tuning the differential setup on your EB410 or ET410 series RC vehicles. Manufactured from high-quality materials, these shims allow for precise adjustment of gear mesh and differential preload, ensuring smooth operation and optimal drivetrain performance. The TKR6517 shims are ideal for maintenance, rebuilds, or performance tuning, helping to reduce wear and maintain consistent handling. Always verify compatibility with your specific EB410 or ET410 model before installation to achieve the best results.