100-piece screwdriver bit set designed for a wide range of fasteners and everyday repair tasks. The kit covers common screw head types and includes practical extras to improve efficiency and organization. Key contents and benefits - Comprehensive assortment across multiple drive types: Phillips, Posi-Drive, Slotted Flat, Torx Star, Metric Hex, and SAE Hex. - Special inclusions: wing nut driver, magnetic extension bit holder, two socket adapters, and one bit adapter for versatile compatibility. - Durable construction: bits made from CR-V steel with hardening and tempering for strength and long life. - Durable head design: chamfered tip increases contact area and reduces wear for extended use. Storage and organization - Comes with a dedicated toolbox for easy transport and storage. - Each slot is engraved with the correct dimensions or type for fast identification and to prevent clutter. - The organized case helps you store bits quickly and keeps your workspace tidy. Compatibility and performance - Suitable for manual screwdrivers, electric screwdrivers, drills, and air-powered tools. - The magnetic extension bit holder provides secure retention and helps prevent bits from dropping during use. - Quick-change capability enables fast bit swaps, improving workflow on projects. Use scenarios - Home maintenance and furniture assembly: handle a variety of fasteners with one set. - Electronics repair and small appliance work: use the precise bits for delicate tasks. - Automotive and workshop tasks: tackle common fasteners with a reliable, durable set. This 100-piece set delivers a broad, practical range of bits and essential accessories in a single, organized package, suitable for DIY projects and professional results alike.