I'm selling my Arca Swiss ball head. It is in excellent shape and is very high quality. I used it only on a one-week trip and found I wanted a smaller ball head for my light weight tripod. $475 Will easily hold a 70-200mm lens.
Specs:
Maximum Camera Supported Large format
Load Capacity 130 lb (59 kg)
Height 4.7" (12 cm)
Quick Release Yes
Spirit Level No
Tension Control Yes
Tripod Mount Thread Size 3/8"-16
Weight 1.6 lb (725 g)