1. Flexible metal heat-resistant arms which is stiff enough to stay exactly where you want them, but fluid enough to move into that perfect position that you just cannot obtain with another "helper", the plastic ball and socket joints type arms which may melt with the heat of a soldering iron 2. There are magnets at the bottom of the auxiliary arm, which are stable after sticking and can be used alone 3. Length Flexible Metal Heat-resistant Arms Can Precision Stay where you want them, but fluid enough to move into that perfect position that you just cannot obtain with another "helper", the plastic ball and socket joints type arms which may melt with the heat of a soldering iron 4. Stainless steel alligator clamps are mounted onto of the arms with screw mounted which can be rotated 360 dgrees in either direction then locked into place. The clips has the heat resistant silicone case to protect your projects from scars or electrical shorts and can be used delicate objects 5. magnet on the bottom firmly attach and compatible with various shape PCB board not just the square or rectangle shape, so convenient. Adjustable claming height design with 8mm thichness range easy to hold your various PCB boards making your work easier and more efficient. Perfect for Soldering,Assembly, Repair, Modeling, Hobby and Crafts. Tips:The product may be updated constantly, The Actual Product May Have Slight Differences Or Color Differences the color and appearance may be changed, please don't mind. And take a consideration before place the order if you have request for color or appearance. Colour:B:Silver Material:Metal Package Contents: 1 * Circuit board fixture Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.