The John Deere 99M7027 is an authentic OEM rockshaft control lever knob designed for various John Deere tractor models. This knob provides a secure and comfortable grip for operating the rockshaft control lever, which is crucial for managing hydraulic functions and implement depth. Manufactured to John Deere's rigorous standards, it ensures durability and a perfect fit, maintaining the original equipment's performance and ergonomic design. Replace worn or missing knobs to restore full functionality and operator ease.