Bosch - ProBox Metal Drill Bit Set The Bosch ProBox HSS-TiN Metal Drill Bit Set contains a selection of twist drill bits made from high speed steel manufactured to DIN 338 with two-cutter, cylindrical, two flutes. They are ground from solid metal with high surface quality due to titanium-nitride coating. Features: - Twist drill bits - High surface quality Specifications: - Dimensions: 95 x 25 x 15cm - Weight: 0.55kg - Colour: Grey - Material: Metal - Warranty: 12 Months What's in the box x 8 Bits