Leofoto Leveling Head w/ Butterfly Handle Black. It locks easily and securely in position with a twist of the large butterfly handle at the base of the ball. This leveling base installs on any tripod with a 3/8'' mounting stud. Specifications for Leofoto LB-75S Leveling Head w/ Butterfly Handle: Manufacturer: Leofoto Color: Black Features of Leofoto LB-75S Leveling Head w/ Butterfly Handle Adjustable Tilt Range: +/- 15degrees Half-Ball Type Leveling Capability 3/8''-16 Threaded Base Mounting Socket 3/8''-16 Tripod Mounting Stud CNC-Machined Aircraft-Grade Aluminum The anti-twist safety screw design uses three set screws on the platform to secure the ball head in place on top of the leveling base. Package Contents: Leofoto LB-75S Leveling Head w/ Butterfly Handle Leofoto LB-75S: LB-75S Leveling Head w/ Butterfly Handle Black