Oval Profile For use with locks accepting Oval profile cylinders. Cylinders are supplied with fixing screw. Decorative and security accessories are available. 3933 - Single CylinderFor use with locks accepting Oval profile cylinders. 3932 - Double CylinderFor use with locks accepting Oval profile cylinders. 3937 - Cylinder with Oval TurnFor use with locks accepting Oval profile cylinders. 3934 - Cylinder with Small Round TurnFor use with locks accepting Oval profile cylinders. 3931 - Cylinder with Large Round TurnFor use with locks accepting Oval profile cylinders.