The BRILLIANT TOOLS drive shaft socket set BT671000 is made of chrome molybdenum steel. With the key widths 29, 30, 31, 32, 33, 34, 35, 36 and 38, the set is not only suitable for drive shafts, but also for a diverse variety of other fittings. The drive can be used manually or with the impact screwdriver. Manufacturing in industrial-level quality provides durability and guarantees a long work life for daily workshop use. All tools are stored in a sturdy plastic case for easy transport.