Crafted with versatility in mind, this security key insert from Jonard Tools features a dual-sided design, accommodating both 5/16-inch and 5/32-inch hex connections. Seamlessly fitting into the 3/8-inch side of a can wrench, it is specifically engineered for use on tamper-proof cross-connect cabinets, MESA, CATV closures, and various Network Interface Boxes. Whether you're tackling installations or repairs, this insert enhances your capability with its easy adaptability and precise fit, making it an essential tool for professionals in the field.