Easytouse dualside knobs Largesized focusing knobs on both sides of the focusing holder provide comfortable, intuitive control for precise focusing, helping to reduce adjustment time and avoid delays during viewing. Durable aluminum alloy construction Made from quality aluminum alloy, this accessory is sturdy and built for reliable, longlasting performance in daily microscopy use. Clear and consistent visuals Enables easy focusing adjustments and smooth microscope maneuvering to deliver clear visuals every time, regardless of placement. Key specifications and benefits Material: aluminum alloy Design: largesized dualside focusing knobs on the focusing holder Function: facilitates focusing adjustment and improved microscope maneuvering Performance: sturdy, precise operation with reliable, repeatable results Compatibility and usage notes Designed to fit focusing holders that incorporate dualside knobs; ensure proper fit before use. Intended to enhance ease of use and control during routine viewing and imaging tasks. Use scenarios Educational laboratories: quick, repeatable focusing during demonstrations and student observations. Research and histology: precise focusing for quality imaging and documentation. Field or workshop inspections: reliable manual control for efficient sample evaluation and analysis.