The Faithfull 19 Piece High-Speed Steel HSS Drill Bit Set is designed to meet a variety of drilling needs, including metal, wood, PVC, and plastic. The set comes in a robust fold-out clam case, offering secure storage and easy identification of each drill bit. These precision-made drill bits feature a bright polish finish and are perfect for cutting through metal while being versatile enough for other materials like timber, chipboard, and plywood.