Convert your old ballhead to a Jobu Design compatible one with the QRR-125 Quick Release Clamp
An Arca-Swiss compatable Quick Release Clamp suitable for replacing the old square, rectangular, trapezoidal or otherwise proprietary clamp on your ballhead. This Clamp is 50mm (2") wide - see QRR-1 for a screw/bolt mounted alternative.
QRR-125 1/4" Tapped hole for installing into studded ballheads.
Compatable with many different brands of ballheads from different manufacturers. Contact Jobu Design directly for specific compatability questions.