Eklind 10707 7 Piece Long Series Security Torx L-Key Set with Holder Torx Sizes: T10 - T40 Made in U.S.A. High Quality, Industrial Grade, Professional Tools. Made with Eklind Alloy Steel. Heat Treated for optimum strength and ductility. Finished with Eklind Black Finish to resist rust. Security (Tamper Resistant) Keys have a hole in the tip to accommodate a pin in the socket head fastener. Torx Keys will drive Torx, Torx Plus and star recess fasteners,and meet all applicable standards set forth by Acument Intellectual Properties, LLC. Torx and Torx Plus are registered trademarks of Acument Intellectual Properties, LLC. Color coded GREEN for TORX. Plastic holder firmly retains each key in a size marked hole.