This is a jewel tweezers for stereo jewelry/gem microscopes. It comes with 6 mm (in diameter) mounting thread. It fits most of the standard stereo microscopes on the market and all AmScope SE, SW & SM series stereo microscopes (the microscopes that have the model number starting with SM, SE or SW) that include an upright table stand with a slot to install this accessory. This includes the SM-1 and SM-2 models, for example.

Features & Specifications :

• Very Smooth Slide in the Sleeve
• Wide Open Clip for Holding Large Objects
• 3-Way Rotation Showing any Part without Touching the Objects
• Material: Metal
• Clamp Opening: 0.82"/20.83mm
• Mounting Thread Size: 6 mm in diameter
• Compatibility: SE, SW & SM series stereo microscopes with table stands that include a slot to install this accessory
• Manufactured under ISO 9001 Quality Control Standards