The Bondhus 16599 9 Piece Metric L-Shape Hex Key Set is the essential tool kit that you need to complete your projects. This hex key set comes with a range of sizes and arm lengths, so you can pick the one that fits your project. The tip size ranges from 1.5 mm to 10 mm, while the overall length varies between 3 mm and 6.7 mm. The hex keys come in a variety of shapes, including ball end and L-shaped handles for added convenience and control when working on different types of fasteners. Each long arm hex key is made of alloy steel and comes complete with a ProGuard finish for extra durability. Their alloy steel handles provide better grip, especially in wet conditions. The Bondhus 16599 9 Piece Metric L-Shape Hex Key Set gives you everything you need to work on different types of fasteners with ease and comfort.