The 41974 Wrench with Hexagon keys and HEX 4mm manufactured by Wiha International is a handy, all-in-one tool. It features an overall length of 142 mm (5.59 in). Its MagicRing® handle gives you extra grip when turning nuts, bolts, and screws. The hexagon keys come in three sizes, from 4.0 mm to 6.3 mm (SAE #6 to 9/64 in). So, whether you’re working on computers, cars, furniture, or more, the 41974 Wrench with Hexagon Keys and HEX 4mm is the right tool.