KPS R&D T5D Geared Ball Head with microTilt precision adjustments for Professional Photographers Convenience and SPEED of ball head and PRECISION of geared head in one! The patented microTilt mechanism allows small and precise adjustments in two axis that was only possible with geared heads! Accepts either the classic Arca-Swiss standard type plates or KPS's patented slim plates. 44mm ball diameter provides for very high load capacity. 3-Year Manufacturer's Warranty by Authorized U.S. Service Representative