Utilizing a revolutionary cam and ball bearing action, the Monadnock AutoLock police batons are ready when you are. Its exclusive patented built-in safety features make it easy to access, open, control and hold on to. Once opened, it stays locked open until you're ready to collapse it by pushing a single button, one time. Compact and comfortable to wear, the Monadnock AutoLock is designed to be carried with you at all times. These batons can be used with virtually all standard baton techniques and tactics or training programs. Like all Monadnock products, AutoLock Batons carry a lifetime repair or replacement guarantee.