Universal locksmith entry tool. Made from heavy-duty steel, it's perfect for first responders needing to gain access into buildings quickly without breaking the door. Multiple functions in one small tool. Cam Turner - or Bolt Thrower. Primarily used once the barrel/cylinder lock found in most domestic doors has been removed. Simply slide inside the lock and rotate the cam. The lock opening tool (cam turner) can be used on locks fitted in the door or outside the door. Euro Cylinder Measuring Tool - The cylinder gauge is perfect for measuring the cylinder size required when a lock is fitted in the door. An essential tool for locksmiths. Meter Keys - The meter door opener has various sizes for different meter cupboards, and can also be used to hold and turn a door spindle (spindle tool). Spindle Turner - The multipurpose hand tool also has a tapered square spindle turner / door opening tool which allows spindle sizes up to 10mm Dimensions (L x W x H): 20 × 6.8 × 1.8 cm