Features: Crafted from high strength alloy steel, this magnetic screwdriver bit features an adjustable magnetic collar for precise positioning and 30% faster screw retention, ideal for professional woodworking and electrical tasks. The accuracy engineered design includes a torques limiting feature to prevent overdriving and ensures 30% longer lifespans with superior concentricity, perfect for soft materials like dry wall and wood. Designed for professionals and craft enthusiasts, this versatile bit is a must have for electricians, carpenters, and home renovators seeking efficient performances in demanding applications. Hightlight in confined spaces and elevated work areas during ceiling installations, furniture assembly, or automotive repairs with its generic compatibility for drills and screwdrivers. sturdy plastic casing protects against scratches while maintaining portability, making this heavy duty magnetic bit set an essential upgrade for accuracy driven projects. Specifications: Materials: Alloy Steel Model:Black Positioning Batch Head 50mm/Black 50mm Magnetic Coil Model X10 Size:Approx.50x15mm/1.96x0.59inches Package Includes: 1Pc Magnetic Rings Positioning Bit note: Please allow 1-2cm error due to manual measurement. Please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks!