Description: 
•Material: it is made of aluminum, plastic and metal.
• Comes with two 1/4"& one 3/8" mounting holes. 
• Can be easily attached to rods, desks, carts, benches, worktables, posts, etc. 
• Easy lock and release via screwing the knob on /off.
• With protective rubber cover to reduce wearing out.
• Maximum opening diameter: 71mm



Package Included: 
1 x Universal C-Clamp