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DOM Service Pen is an ideal solution for maintaining mechanical cylinders and locks. Practical and very easy to use: the oil is accurately and neatly applied through the stainless steel needle - even in hard-to-reach areas.

We recommend lubricating all DOM mechanical cylinders with the DOM Service Pen once a year under normal use and weather conditions. The special MicPol® technology ensures long-lasting lubrication and thus prevents the adhesion of dirt, sand and dust. In addition, the special composition of the oil displaces water and moisture and protects against corrosion. As a result, the lifespan of your cylinder and/or mortise lock will be considerably extended and will continue to function properly. A good investment!


  • Functional and easy to use for mechanical cylinders and locks
  • Guaranteed to extend the lifespan of your cylinder or lock
  • Protects the locking mechanism against dirt, sand and dust


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