Locking insert 3504 series

The 3504 locking insert has all-new mechanism of the Series 35, with an asymmetrical and uniquely warded keyway. Seven stainless steel locking components affix the focal center to the external body with a solidified steel anti-drill centre post and a second hardened roller inside the lock provides additional protection from drilling. They are used to protect from criminals. The 3504 insert has no shear line, with its related defenselessness to picking. The internal components made of most durable and reliable brass with a black nickel plated finish enhances its look for any application. It is considered to be popular as it ensures heightened security.