This listing is for a magnetic safety key with a 3cm diameter compatible with the following models: V-Fit Fit START/ BASIC FOLDING MAGNETIC TREADMILL. UNO-FITNESS SPEEDMASTER 1.8M & 1.8P TREADMILL V-FIT FITNESS FOLDING TREADMILL It is also compatible with other branded treadmills. All my parts are from originals direct from the manufacturer, Beny Sports. PM with any questions.
