Item Type: Treadmill Safety KeyMaterial: ABS andmagnetSize: Rope lengthapprox. 92cm/26.22in,magnet shell diameter approx. 27mm/1.06in,magnet diameter approx. 15mm/0.59inCharacteristics: Treadmill safety lock, automatic protection, magnetic suction, safe, compact, easy to use, easy to install, sports equipment. .wang-edit-text{ font-family:'Arial' important; } .wang-edit-text table { border-top: 1px solid 000; border-left: 1px solid 000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid 000; border-right: 1px solid 000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; } 1Function: Magnet safety key protects users from falling down in the process of sports injury, is an automatic protection device for the treadmill. 2High Quality Material: Safety keys are made of high quality ABS and magnet material, wear resistant, high strength, sturdy and durable. 3Wide Application: Universal safety key with magnetic suction, can work on most treadmills, have a long service time, more practical. 4Easy Operation: Treadmill safety key easily clips to clothes, keep you safe during sports, easy to operate and install, save your time and energy. 5Portable: Running machine safety key is lightweight, the compact size is convenient to carry, with approx. 92cm/26.22in length rope.