Cylinder Lockcases - Types of Cylinder Lockcases Cylinder lockcases are available in 4 different cylinder variations:These are Euro Profile Cylinder cases, Oval Cylinder Cases, Dual Profile Cylinder cases and Screw in Cylinder cases. See the images below to help you identify you lockcase. Once you have identified the type case you need, click on the heading to go straight to that section. Not sure what measurements are what? See Cylinder Lockcases - Taking Measurements Home |