Home > Generic Treadmills > Generic SATHER Treadmill Safety Key, Treadmill Generic SATHER Treadmill Safety Key, Treadmill Universal Safety Key Running Machine Key Magnet Treadmill Key Rectangle Red Retreadmill Easy To Install: The treadmill safety key can run perfectly on most treadmills that require a round treadmill key. Price: $7.99 Note: Prices on some products change frequently. To see more details, check the latest price, or to purchase, please visit the link below: