This Proto J4984 9 Piece Metric L-Shape Hex Key Set is a comprehensive range of hex keys for tackling various fasteners. These metric hex keys can be used across an extensive range of applications and product categories. This set comes with L-shaped hex keys that can reach into tight spots and provide control when needed. Each long arm hex key is made of alloy steel and comes complete with a black oxide finish. Their alloy steel handles provide better grip, especially in wet conditions. These metric hex keys are insulated, so they are safe for use on live electrical equipment, such as household appliances and power tools. Whether you are a professional or hobbyist, you will definitely want to equip yourself with the Proto J4984 9 Piece Metric L-Shape Hex Key Set.