Promark TB5 -Promark General Telescopic Wire Brushes psu An optical fiber module is

An optical fiber module is not included but is supported on the rear

This revolutionary stand incorporates all of the features demanded by today's orchestra musician

and has a flat frequency response up to about 5 kHz

All the way clockwise produces a full chop

Promark TB5 -Promark General Telescopic Wire Brushes psu An optical fiber module isProduct Details: High quality professional telescopic brushes with the new easy grip handle for more relaxed playing. Made in USA. Overall Length With bristles extended 12 5 16 Length of Handle only 7 1 16 Length of Bristles only 5 3 16 Diameter of individual bristles . 013 Diameter of handle 0. 624 Bristle Material Wire