sturdy CARBON STEEL CONSTRUCTION: Crafted from high strength carbon steel with 70% better wear resistance than tools, ensuring extended 60% longer lifespans for professional use in plumbing and mechanical repairs ERGONOMIC HANDLE DESIGN: Features comfortable nonslip grips that reduce hand fatigue during prolonged use, perfect for plumbers and craft enthusiasts performing extended repair projects EFFICIENT EXTRACTION DESIGN: This 6 piece ruptured screw extractor set features accuracy thread structure for ruptured screws from 3.4mm to 12mm diameter, improving removal efficiency by 50% compared to traditional methods, ideal for plumbers and craft homes repairs VERSATILE APPLICATION: Effectively removes ruptured screws from faucets, angles gate and pipes, addressing various repair scenarios for professional and homeowners alike in plumbing maintenance projects LIGHTWEIGHT & PORTABLE: Weighing only 220g with compact 17x9cm size, this easy to carry set solves large tool transportation issues, making it for both home use and on site plumbing jobs, Manufacturer: Oxxggkao