High precision and concentricity for accurate alignment and reduced wear Wear resistant surface extends tool life in demanding use Built in strong stable magnet for secure placement and easy handling Magnet keeps components in place during assembly or maintenance, reducing slips and drops Multi function square shaft with hexagonal interface for broad compatibility Fits common drivers and tools, minimizing slipping and improving torque transfer Durable construction from high quality alloy steel Reliable performance and long service life in workshop and shop environments Opening diameter 10 mm and depth 5 mm Clear size specification for quick compatibility checks and repeatable results Applications and use scenarios - Mechanical assembly and repair in tight spaces where parts need to be held securely while being fastened - CNC, milling, or manual machining setups where precise alignment and tool retention are required - Electronics or small parts work where magnetic retention helps locate and position components during work or assembly Compatibility and performance highlights - Suitable for tools and fasteners with hex or square drive interfaces - Designed to endure repeated use in professional workshop settings - Provides a reliable combination of precision, strength, and convenience in a compact form factor