Preowned Kirk Enterprises BH-1 Heavy Duty Ball Head with built in bubble level  Arca Style Quick Release BH1
Wow! The more recent version with the built in level on the head. This one is in very good condition All knobs function as they should, movement is smooth and they lock down tight.

It is heavy duty and can support professional cameras with large lenses. The BH-1 has a 50 lb load capacity. It weighs approximately 1.9 pounds. In addition to the large single-action locking knob, the BH-1 also features two smaller knobs. One controls the 360° panning control, and the other the amount of ball friction.

Large 2.125" (54mm) ball diameter
Base diameter of 2.9" (73mm)

Condition is used, excellent  condition, small signs of use, tested and in good working order.  A few marks on the knobs.  (see photos)

Shipped via USPS or UPS Ground.