BumpStop^® Advance Cylinder Technology

Once a closely guarded trade secret, lock bumping has recently emerged as a serious threat to personal and property security.

• Bump Keys are readily available for purchase on the Internet.
• Bump Keys are easy to make.
• Bumping leaves no visible signs of forced entry — insurance companies are wary about paying claims.
• 90% of the locks in use are vulnerable to bumping.
• As the leader in security hardware, Master Lock has stepped forward to create a revolutionary new lock cylinder that is highly resistant to bumping and capable of detecting bump attacks.

Watch video for more information and demonstration.