1 PhotoFlex heavy duty grip swivel. Lightly used, 100% working. Perfect for locking in light heads at different angles. If you're a working photographer, this is miles beyond the usual plastic versions that tend to slip or fail. Open to reasonable offers! • Cast aluminum construction will support heavy weight and hold up against tough working conditions • Adjustable locking handles hold at precise angles • Brass mounting stud securely mounts light heads and cameras to stands • Umbrella insert adds versatility to your umbrellas