1. Material: stainless steel + engineering nylon + soft rubber 2. Size: ball head diameter 25mm, height 96.7mm, width 33.3mm, applicable pipe diameter 16-38mm 3. Weight: about 150 grams 4. Application: fixed installation of various pipe diameters in 16-38 mm tubular objects 5. Features: beautiful and practical, sturdy and durable, wide applicability, firm and safe, flexible and quick-release design, simple installation, just turn the knob to install and remove
