Lock Cylinder ENHANCED DOOR SECURITY: Enjoy enhanced security without expensive handle upgrades or additional security features with this euro cylinder door lock barrel. This 6-pin cylinder features anti-pry, anti-drill, and anti-bump protection to ensure peace of mind and adequate home security. PATENTED ANTI-BUMP SYSTEM: The 8-key door lock features unique anti-bump protection that does not use trap pins. This ensures that the cylinder key rotation is extra smooth, while blocking access for relief keys. DURABLE ANTI-DRILL DESIGN: This 85mm door lock features four hardened steel anti-drill pins on each side. All moving pins are made of brass-plated hardened steel with a minimum of 50 HRC to ensure optimal durability that will prevent intruders from gaining access with additional tools. SECURE ANTI-PICK DESIGN: The cylinder lock features an anti-pick design with at least three anti-pick pins on each side, making it extremely difficult for burglars to break in. WIDE APPLICATION: These door locks are suitable for all types of doors, including wooden doors, metal doors, PVC doors, patio doors, French doors, and composite doors. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.