QRT Mag Lock Icon Allen/Torx Hex Bit Organizer Rails These are NOT for the Pro Ball Hex Set. These are for the NON BALL End for Icon SAE ,Metric Hex and Torx Socket Sets 59738, 56205 3/8" Drive 12 Piece Torx 1/4" & 3/8" Drive 8 Piece Torx 70433, 56337 These will not work with the Pro Holders as Icon has two different sets, Please check your set and make sure you order appropriately. Each Socket is Held in place with its own powerful Integrated Neodymium N52 Disc Magnet. Never coming loose bc its printed into the holder itself. Works through professional style tool liners (works best on bare metal) Currently only offering Icon Variation, Have a specific / popular set you want a similar rail for? Send us the sizes we will make them, create an option for that specific set for you no extra charge! QRT is a full custom shop. Important Notes All QRT Products are Proudly Manufactured here in the USA using Globally Sourced Materials. Using only the best, Current and state of the art Bambu Lab 3D Printers. Thanks for supporting our small home business. NO TOOLS INCLUDED.