Unique to PROLOK– The PENTAFORCE high security range of screws have a 5 Sided Pentagon recess
This design blocks standard tool shapes - The PENTAFORCE range from Sentinel are a registered tool to control availability, as part of the security process for these items you will be required to complete documentation of your purchase with Sentinel and become a registered user of the Pentaforce (TM) driver tools.
Refer to the screw style & size for the correct tool
Only the Pentaforce registered driver tool can be used with the unique 5 sided pentagon recess. Giving increased security as standard driver tools are unsuitable.