COMPLETE 12-PIECE SET: Includes 6 HSS 6542 screw extractors (#0, #1, #2, #2, #3, #4) and 6 HSS 4341 twist drill bits (2.0mm, 3.0mm, 3.5mm), providing everything you need to remove stripped or damaged screws with ease. HIGH-SPEED STEEL CONSTRUCTION: Made of durable HSS 6542 and HSS 4341 steel for strength and precision. Ideal for plastics, wood, aluminum, copper, iron, and thin stainless steel. (Not suitable for thick stainless, high carbon, or alloy steel). EASY TO USE ? 2-STEP PROCESS: First drill a hole into the damaged screw, then flip the bit and use the extractor side to remove it. Works counterclockwise for extractors and clockwise for drill bits. MULTI-FUNCTIONAL DESIGN: Not just screw extractors?these also serve as twist drill bits, making them a versatile tool for DIY projects and professional use. SAVES TIME REDUCES FRUSTRATION: Perfect for tackling stubborn rusty, stripped, or broken screws. A must-have tool for workshops, construction, woodworking, and home repairs. COOL GIFT IDEA FOR MEN DIYERS: A unique and practical gift for dads, husbands, boyfriends, and anyone who loves tools. Great for birthdays, Father?s Day, Christmas, or stocking stuffers. PORTABLE ORGANIZED: Comes neatly packed for easy storage and quick access?making it a convenient kit to keep in your toolbox at all times. We offer 1-5 Days Free shipping 30-Days Free returns