Universal Treadmill Safety Key Treadmill Magnet Security Lock

Universal Treadmill Safety Key Treadmill Magnet Security Lock DescriptionSize:Large outer ring diameter 2.8 cm,inner ring diameter 1.4cm,Cord length 92cmPackadge Include:1pcs * Treadmill Safety Key NoteThe size may have an error of 1-2cm.If you want to have different color, you can leave a note when you placed the orderDue to different personal measurement methods, there will be an error of 2-4 cm, please understandThanks for your support