Ultimate Arms Gear Gerber Folding Knives & Multi-Tools Accordion Flexible Belt Clip Pouch Holder, Stealth Black The Unique Accordion Design Allows the Pouch to Flex In Order to Hold Most 9mm/.40 Caliber Single & .45 ACP Double Stack Magazines, Small Flashlights, Knives or Multi-Tools. Fits Belts From 1.5" (38mm) to 2.25" (58mm). Flexible "Accordian" Design Allows for Multiple Fits and Minimal Size. Color: Black.