1. Two Flexible Arms - Each arm has a 360-degree precision alligator chuck that grabs your work and releases your hands. Which includes 10.5cm arms for more efficient work. 2. The magnetic base can be strongly adsorbed on the iron plate larger than 3mm. 3. Perfect for projects - You can use it to complete a variety of DIY jobs, such as hobby projects, electronics, art and crafts. Painting statues and models, etc. Specification:D:4PCS Long Universal joint pipe length:105 mm/315mm Colour:As Shown Material:Metal Package Contents: 4 * Long PCB Circuit Board Hoder 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.