Features and Benefits: Sizes marked on tabs for instant identification Patented spring tabs keep wrenches in place Made of tough Polypropylene plastic Low profile fits in 2 inch deep toolbox drawer Lifetime Warranty – Made in the U.S.A. Hansen Global’s Quik-Pik wrench racks organize wrenches while the clear labeling makes sizes easy to grab and go. Each tray pad printed with the following wrench sizes: 6mm. 7mm. 8mm. 9mm. 10mm. 11mm. 12mm. 13mm. 14mm. 15mm. 16mm. 17mm and 18mm.