$24.95 Ball head Hold Down Knob Thread Size Select an option 3/8-16 long 3/8-16 short 10mm long 10mm short 1 2 3 4 5 6 7 If you are having problems with reaching the threaded bolt sticking out of your pan head, this product may be the answer for you. Knob and large washer reach up through a “Mitchell” Plate adding nearly 1 extra inch to reach through to ball adapter and into the head bolt. Now available in a shorter reach of 1/2″ in 3/18-16 thread and 10mm thread. Available to fit 10mm bolts on Sachtler and other heads that use the long 10mm bolt sticking out of the bottom of the pan head. ALSO AVAILABLE for 3/8″-16 threaded shanks. Each comes with large washer for under head plate Related Products No products were found.