Stanley Hex Key Ring Set helps you tighten loose screws and nuts of various diameters. This L-shaped tool is easy to use, and its long handle helps you reach places that difficult to access. The Hex keyring is forged using chrome vanadium steel, which is light in weight and extremely durable. The ring set includes 10 keys of the following sizes: 1.5mm, 2mm, 2.5mm, 3mm, 4mm, 5mm, 5.5mm, 6mm, 8mm, and 10mm respectively. These hex keys have rings at the back, which can be used to hang on any hook for easy storage.