Linhof Pfrofi-II Head with Linhof Quickfix I

The Linhof Profi-II head has a 2" diameter base and 1 1/4" locking knob

holds up to 17 Lbs.

3 1/4" high and it locks in place with just a slight tightening  of the knob

Lock is solid and can handle with no problem heavy weight cameras up to 17 lbs. Including 

Linhof Removable Plate Quickfix I 003874 

Head in excellent condition. Plate good condition.