Proxxon 3/8" Drive TORX Bit - T45 

3/8" Drive TORX Bit Sockets
Built for strength and durability, these 3/8" drive TORX bit sockets are designed to handle demanding applications with ease.
Bit heads crafted from high-performance chrome-silicon-manganese-molybdenum steel for exceptional toughness
Sockets made from durable chrome vanadium (CrV) steel for long-lasting reliability
Engineered to withstand heavy-duty use and the toughest jobs