The colson is a plastic clamp. Robust and easy to use, the colson can be used to hold elements such as steel cables in place, but also for all other fastening purposes, such as attaching safety nets or guard rails to staircase railings, protection or sandblasting nets to scaffolding, or ropes to make loops. Available in black or white from stock, the collar is also available in red, blue, yellow and green on request. This inexpensive plastic clamp will save you from perilous situations.