SRW Products StringAlongs String Line Locking Height Tool

The SRW Products StringAlong collars have small teeth and a lock notch to ensure a tight string line allowing for easy lowering and raising for elevations. Easily visible from a distance and built to last!   Advantages: Take down the line and put it back up without measuring Ability to create three to four different lines from different directions at one time Built from nylon with a brass and zinc coated thumbscrew Fits all round stakes up to 1˝   Uses: Hardscaping Surveying Fencing Concrete & Masonry   **Pair with StringAlong Stakes for best results.