Features: Precisions engineered 5 piece countersink drill bit set with built in depth stop ensures consistent hole depth and diameter, ideal for professional woodworking and projects. Crafted from aluminum alloy, these step drill bits feature a multi stage design for creating holes of varying sizes without frequent bit changes. Designed for carpenters, furniture makers, and enthusiasts needing versatile drilling solution for cabinetry, screw installations, and materials crafting. Streamlines woodworking tasks like cabinet assembly, door hardware mounting, and decorative wood projects requiring clean, flush screw recesses. Combines robust wear resistant construction with universally compatibility for power drills, delivering professional results across softwoods, plastic, and thin metals. Specifications: Component: Aluminum Alloy Color:Gold/Red/Blue Type:Standard Version,Upgrade Version Package Includes: 5Pcs Countersunk Drill Bit note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color of the item.