Discover the high-quality Black & Decker Masonry Drill Bits 5pcs made from durable steel with a sleek black oxide finish. These drill bits, featuring a parabolic flute type and 2 flutes, are designed for optimal performance on metal surfaces. With dimensions of 23 x 6 x 1.7 cm and weighing 300 grams, they are a reliable choice for your drilling needs.