Bow for viola da gamba.

Technical description: The octagonal, undulating, stick of dark hardwood has fluting starting 212mm from the frog end of the bow (not including the button), and ends in a short, swan head. The stick has no nipple. The open, screw-mechanism, rounded frog is made of a dark wood. The bone button is cylindrical, ending in an elongated sphere.Weight: 62.Hair length: 591.Balance point: 260.5.Head height: 17.3.Head width: 10.0.Face length: not even; the thumb side is 31.3, and the finger side is 31.7.Tip diameter: 6.4.Frog diameter: 9.9.Period of oscillation: 1.31.Distance from pivot to tail: 82.65.Button length: 18.7.Ferrule width: 10.25.Frog + stick height: 33.7.Frog top length: 50.25.