Profile: Major Mfg., Inc. produces installation equipment and servicing tools. We offer locksmith tools, security products and installation tools. Our CAK-15 locksmith tool is a new cylinder accessory kit that contains an assortment of popular hardened cylinder guards and cylinder collars molded from an engineered plastic. Our security product includes hinge pins, deluxe guard plates, door guards, kee blocks and file cabinet locking bars. Our installation tool includes door handling, door lock installation, drill guides and self-centering drill guides.