ACR ®, Torq-Set ®, Torq-Set-ACR ®, Tri-Wing ®, Tri-Wing-ACR ®, and Pozidriv ® are registered trademarks of the Philips Screw Company. Torx ® and TorxPlus ® are registered trademarks of the Camcar Division of Textron. Supadriv ® is a registered trademark of European Industrial Services (Fasteners) Ltd. ZEPHYR ® is a registered trademark of Zephyr Manufacturing Co., Inc.