Professional adjustable metal holder HY11C designed for stable support and precise vertical movement for optical and inspection work. Key benefits Stable and durable metal construction for reliable support during use. Wide vertical adjustment range of 29 cm for precise focusing and positioning. Compatible with holder diameters of 42 mm and 50 mm to fit common optics and accessories. Lightweight but stable at 1.2 kg for easier transport and setup without sacrificing steadiness. Supports magnification up to 500X and under, making it suitable for a variety of stereo microscopes and inspection optics. Simple, professional design that is easy to carry and operate. Main features Model number: HY11C Material: Metal Color: 50mm Holder diameter: 42 mm or 50 mm Weight: 1.2 kg Movable range: 29 cm up and down Magnification compatibility: 500X and under Practical applications Electronics inspection and : Hold optics steady at precise heights for circuit board inspection, soldering, and component alignment. Jewelry and watchmaking: Provide controlled vertical movement for detailed inspection and work under low to moderate magnification. Education and hobby microscopy: Stable support for teaching demonstrations, specimen observation, coin and stamp inspection, and small parts assembly. Why choose this holder The metal build delivers longterm durability and consistent performance for workshop and lab tasks. The 29 cm vertical range lets you quickly adapt to different working distances and objective heights. Dual holder diameter compatibility increases flexibility with a wide range of lenses and accessories. Compact 1.2 kg design balances portability and stability for field use and bench work. Additional notes The actual color of the item may vary slightly from website images due to monitor and lighting differences. Please allow slight manual measurement deviations for listed dimensions.