The IMPACT socket insert set No. 2309 from Stahlwille is a high-quality tool specifically designed for use with power wrenches. Featuring a 1/2 inch internal square drive and a long design, it offers optimal handling and flexibility for various applications. The socket inserts are made from robust chrome alloy steel and are blackened, which enhances their durability and resistance to wear. With a key size of 21 mm, these inserts are ideal for a wide range of screw connections. The set weighs 272 grams, making it easy to transport and handle. The reduced diameter shape of the inserts allows access to tight spaces, further increasing the versatility of the set. This socket set is a valuable addition to any toolbox and is suitable for both professional and private use.