The small LOXX key made of nickel-plated steel is ideal if you only attach LOXX upper or lower parts occasionally. Due to its hexagonal cut-out it can also be used to screw in the LOXX screws. Made in Germany. The Strongest, Most Versatile, Self-Locking, Quick Release Fasteners Ever Made! Will never accidentally open. Will never rust. Precision Engineered. Withstands shearing force greater than 1,000 N.