Description This product is an emergency stop key for treadmills, made of durable plastic, alloy, and rope. It features a strong magnet for secure attachment to the treadmill. The key is designed to provide immediate safety protection in case of an emergency, ensuring user safety. It is easy to use and can be quickly inserted into the treadmill slot to start or stop the machine. Features - Color: As shown - Material: Plastic, alloy, rope - Size (black clip): 5.80 x 3.10 x 3.00 cm / 2.28 x 1.22 x 1.18 in - Size (red block): 4.00 x 2.30 x 1.80 cm / 1.57 x 0.90 x 0.71 in - Constructed with plastic, alloy, and rope materials for durability and long-lasting performance - Simple and user-friendly insertion process for easy operation - Compatible with various treadmill models, offering versatility and convenience - Activates immediately in emergencies to ensure user safety - Equipped with a magnetic clip for secure attachment and easy access Packing List 1 x Treadmill Key