HAND PROTECTION: Designed to save your fingers from the discomfort of installing and uninstalling cage nuts; made with stainless steel and hard plastic for durability. SIZE REFERENCE GUIDE: Includes a convenient 'U' space size reference guide on the back for quick and easy identification. MULTIPLE SCREW SIZES: Features 3 holes sized for 10-32, 12-24, and M6 screws, allowing you to easily check and select the appropriate cage nuts. STURDY CONSTRUCTION: Constructed from stainless steel with a hard plastic covering to ensure long-lasting use and reliability. EASY TO USE: Streamlines the process of handling cage nuts, reducing frustration and making installations and removals more efficient.