The Fendt 20210MR is an original equipment manufacturer (OEM) extra long Allen key set, comprising 10 pieces designed for robust use in agricultural and industrial machinery. This comprehensive set includes hex keys ranging from 3 mm to 17 mm, providing the necessary tools for various fastening and maintenance tasks on Fendt equipment. Crafted for durability and precision, this set ensures reliable performance and proper fitment for critical adjustments and repairs.