UNIVERSAL COMPATIBILITY: Designed to fit 99% of treadmill models including NordicTrack, ProForm, Epic, Reebok, and Healthrider brands ESSENTIAL TOOL: Hexagonal wrench specifically engineered for treadmill roller adjustment and maintenance tasks PRECISION DESIGN: Hex-shaped head ensures secure grip and proper torque application when adjusting treadmill components EASY HANDLING: Ergonomic design allows for comfortable grip and efficient use during treadmill maintenance procedures PRACTICAL SIZE: Compact dimensions make it easy to store in your toolbox or treadmill maintenance kit for quick access Keep your treadmill running smoothly with this universal hex Allen wrench tool designed specifically for roller adjustments. This versatile wrench fits most major treadmill brands including Nordictrack, Proform, Epic, Reebok, and Healthrider, making it compatible with approximately 99% of treadmills on the market. Whether you need to perform routine maintenance or make quick adjustments to your treadmill's rollers, this hexagonal wrench is the essential tool for the job. The ergonomic design allows for easy handling and proper torque application when tightening or loosening roller bolts. This practical tool helps maintain your treadmill's performance and extend its lifespan through proper roller tension adjustment. Keep this handy wrench in your maintenance toolkit to ensure your treadmill stays in optimal working condition.