The Bosch TI2137 is a 5/32-Inch Titanium Drill Bit. Bosch titanium drill bits offer the best durability and speed for general purpose drilling applications. Use in steel, copper, aluminum, brass, oak, maple, MDF, pine, PVC, polycarbonate, acrylic, ABS, nylon, composite materials and common stainless steel. Features: * Titanium drill bits last 6X longer than High Speed Steel bits * Super hard titanium nitride coating protects bits from chipping and cracking * Speed helix design penetrates 3X faster than standard bits * Lasts 6X longer than high speed steel What"s In the Box: * Bosch TI2137 5/32-Inch Titanium Drill Bit