Roswell 360 3"Universal ClampThe Roswell 3" universal clamp is designed to allow you to fine tune your tower speakers rear-facing direction. External set screws allow for full 360 rotational mounting positions to let you set it where you want and lock it down.Product Features: Sandblasted Clear Anodized Finish; Saltwater Friendly; 360 Rotational Mounting; 1.9", 2.375", 3" Plastic Inserts Included;