Ensure your safety during treadmill workouts with this reliable Treadmill Safety Key, designed to instantly protect runners by preventing accidental falls. When the safety key detaches from the treadmill’s induction area, it triggers a warning alarm to alert the user and immediately stops the machine, providing essential protection against injuries. Key Features: · Universal Compatibility: Includes 3 types of treadmill safety keys (normal large, magnetic medium, and magnetic small) to fit various treadmill switch diameters ranging from 18mm to over 32mm, ensuring easy installation on most treadmills requiring a round safety key. · Safety Alert System: Automatically activates a warning tone when the key is pulled away from the induction zone, stopping the treadmill to prevent accidents and promote user safety. · Strong Clip Design: Equipped with a durable clip that securely attaches to any part of your clothing, offering reliable hold throughout your workout without slipping. · High-Quality Materials: Constructed with durable plastic, nylon, and magnet components to ensure long-lasting performance and dependable safety function. · Lightweight & Portable: Weighing approximately 24g, this safety key is compact and easy to carry, making it a convenient accessory for treadmill users. Specifications: · Material: Plastic, Nylon, Magnet · Color: As shown in pictures · Sizes and Compatibility:  - Normal Large: Fits treadmill switches with diameter greater than 32mm (1.3in)  - Magnetic Medium: Fits treadmill switches with diameter greater than 28mm (1.1in)  - Magnetic Small: Fits treadmill switches with diameter greater than 18mm (0.7in) · Weight: Approx. 24g Package Includes: · 1 x Treadmill Safety Lock This Treadmill Safety Key is an essential safety accessory that provides peace of mind and protects you from sudden treadmill shutdowns or falls. Its versatile design and strong clip make it suitable for a wide range of treadmill models, ensuring a safer and more secure running experience every time.