Bullet_point: ['Common applications include drilling: junction/switch boxes, metal studs, appliances, auto body repair, truck/trailer frames, ductile pipe', 'Ejector spring ejects slug saving time and safety collar stop prevents over penetration for safer, faster operation', 'For use in an electric drill: Ideal for drilling steel plate, stainless steel, iron, aluminum, copper, cast iron, fiberglass and plastics up to 3/16" inch thick', 'Superior to Bi-Metal Holesaws! Faster and More Accurate Drilling! Longer Tool Life!', 'Unique Triple Edge Cutting System for fast, bur free/smooth drilling!'] (Page 1)