The Lutz 15-in-One Ratchet Screwdriver is a handy, all-purpose driver that is perfect for any do-it-yourselfer, professional contractor or first time home owner. With just a slight turn of the spring-loaded bit selector knob, the chamber opens for easy access & storage, making bit changes a snap. Plus, the ratchet function allows the user to easily apply turning force for driving or removing screws with less effort. Blue color.