For heavy-duty mechanical work, you need heavy-duty tools. This Stahlwille 55/10/6 is a professional-grade 3/4-inch drive metric socket set. It comes in a sturdy sheet steel case and includes 16 pieces: 10 hex sockets in sizes 22, 24, 27, 30, 32, 34, 36, 41, 46, and 50mm, a ratchet (No. 552), two extensions (200mm and 400mm), a flexible head universal joint (No. 554), a sliding head for a T-handle (No. 556), and a bar handle (No. 558). Stahlwille is a legendary German brand known for incredible durability and precision. This set is built for tackling large hexagonal bolts and nuts on trucks, industrial machinery, agricultural equipment, or any serious automotive project. If you're a professional mechanic or a serious DIYer working on big stuff, this set is an investment that will last a lifetime.