Hi-Spec 130pc Multi SAE Drill Bit Set. 11 Sizes 1/16in to 3/8in. Metal, Wood, Plastic, Drywall, Brick & Concrete Drilling. HSS Titanium, Masonry & Brad Point Steel Bits All in a Tray Case. Drilling Ain? Easy: Drilling quickly and accurately into different materials requires choosing the appropriate drill bit type. Get it done right with the Hi-Spec Multi Metric Drill Bit Set. The perfect complement for those everyday drilling jobs in wood, plastics, metal, drywall, masonry, concrete, and brick. 78 HSS Bits: High-Speed Steel (HSS4241) round-shank twist drill bits, stronger than normal high-carbon steel, for most metals, wood, drywall, and plastics. Titanium coated for wear resistance and reduced friction. Sizes 1/16, 5/64, 1/8, 5/32, 3/16, 1/4, 5/16, 3/8 26 Brad Point Wood Bits: Their sharpened edges easily cut and churn out wood, drywall, and plastics. Also known as spur point bits, piercing tips allow for non-slipping and accurate starts. Sizes 5/32, 3/16, 15/64, 5/16, 3/8"". 26 Masonry Bits: Super hard Tungsten-Carbide YG8C tips ensure longer-lasting strength against brick and concrete by breaking up stone and masonry particles in combined hammering and drilling action. Sizes 5/32, 3/16, 15/64, 5/16, 3/8 Keep It Together: Bits come wrapped in bags, not loose. A slim storage tray case keeps bits in separate compartments with a clear plastic insert to prevent movement. Sizes are printed on the case lid underside, and its steel catch snaps shut to make sure it doesn? unexpectedly pop open.