Useful on many DIY projects, including fixing furniture, bicycles, electronics, cars and motorcycles, Craftsman hex key kit contains precise SAE sizes for the vast majority of applications. These L-Keys come with an adapter that easily converts them to a T-handle for additional torque. High-durability strong steel hex keys with black oxide coating add adherence when working on fasteners. A convenient storage rack for hex keys and handle keeps this set together in your toolbox. The kit includes the following SAE hex keys: 1/16-in, 5/64-in, 3/32-in, 1/8-in, 5/32-in, 3/16-in, 7/32-in, 1/4-in, 5/16-in and 3/8-in. This product comes with Craftsman/s full lifetime warranty.