●【High Precision & More Reliable】Central worm gear drive, precision adjustable dovetail guide rail. Smooth movement, stable operation, small yaw and tilt. Stroke: ±10°; Load Bearing: 8kg(17.63 pounds); Min Reading Scale: 0.1°; Min Adjustment Distance: 0.05°. ●【Multi-dimensional Stage Combination】Easy to Operate. Extended handwheel for easier adjustment. Porous design, strong applicability. It can form a multi-dimensional stage with other types of stages through these standard hole spacing connecting holes. ●【High Quality Aluminum Alloy】Hard aluminum body, surface treatment with anodization blackening. Effectively preventing the reflection of light, especially suitable for the field of optics. High quality, durable, longer service life. ●【Wide Applications】Huanyu Precise Manual Goniometer Stage is widely used in: fixtures; production machinery; testing equipment; optical instruments; optical experiments; microscopic observation; angular displacement; precise positioning; fiber coupling; optical waveguide alignment; core adjustment; packaging systems,etc. ●【Excellent Service】 We provide 1 year warranty on all products in our store. For damaged parts, we will resend a new for customers to replace. Besides, we provide 1-to-1 online after-sales consultation service for every consumer with high efficiency.