4 Square Box Clamp. – 25pcs
The 4 square box clamp is designed to secure and support the 4 square box in a block wall during construction. The nylon bolt and wingnut are designed for a quick installation without the use of tools and also allows you the ability to easily choose the amount of tension you need. Once the wall is complete and the support is no longer needed, simply remove the clamp and reuse it on your next job.