The Really Right Stuff SOAR Round Lever-Release Leveling Base Clamp RRS-9000398 is a high-quality clamp designed for precise leveling. Compatible with RRS leveling bases, it features a patented lever-release mechanism for quick and secure attachment. The stainless steel S-shaped cam-locking lever provides superior holding power and ease of use. Ideal for photographers and videographers, this clamp ensures smooth and stable camera movement, enhancing the overall shooting experience. Really Right Stuff SOAR Round Lever-Release Leveling Base Clamp RRS-9000398 in Black