It’s easy to specify BumpStop^® protection to ensure more-secure surroundings.

Indicate that all door hardware must meet or exceed Grade 6 ASTM test requirements for resistance to lock bumping; specifically, ASTM Standard F883-09 and the testing criteria in section 9.6 for pin tumbler cylinders. Only Master Lock hardware with BumpStop technology exceeds Grade 6 requirements.

To further ensure that this level of security hardware will complement your facility, choose from the extensive range of BumpStop-protected Master Lock product options.