8-piece set manufactured according to DIN 3121. 1/2" square drive (12.5 mm) for impact wrenches and ratchet operation made from high-quality chrome-molybdenum steel for exceptional durability. The 8-piece BRILLIANT TOOLS hexagon power bit socket set BT022615 is produced according to DIN 3121. The entire set features a 1/2" (12.5 mm) square drive. It comes in a practical case with metal hinges and locks, containing securely held tools. The labeling inside the case allows for quick identification of the appropriate inserts. The power bit socket set is suitable for use in automotive workshops or with construction machinery. It is compatible with pneumatic or battery-powered impact wrenches, ratchets, or torque wrenches. The total of 8 hexagon power bit sockets are made from high-quality chrome-molybdenum steel and are equipped with a connection pin and rubber ring. The set includes sizes ranging from 5 mm to 19 mm with an overall length of 78 mm. The surface is phosphated, providing maximum corrosion protection. Included sizes: 5 mm, 6 mm, 8 mm, 10 mm, 12 mm, 14 mm, 17 mm, 19 mm. Our quality: BRILLIANT. Our prices: SMART. Each tool embodies more than a quarter-century of experience from our experts. This uncompromising quality, professional tools of the highest standard for tough everyday work, is one of our success recipes. We forgo a large distribution structure and extravagant marketing activities, allowing us to offer you products at a sensationally favorable price-performance ratio. Save real money without compromising your quality standards! A quality tool powered by KS TOOLS.