CAMVATE Universal C-Clamp for Desktop Mount Holder with 1/4-20 & 3/8-16 Thread H



Open from 3mm to 42mm (CAN NOT clamp on chair) Clamp on Square shaped wood Made of aluminum, plastic and metal Attaches to desks, carts, benches, worktables, posts, etc. Provides 1/4"-20 thread holes and one 3/8"-16 thread hole.