Have two units so one can go. It's fully functioning and accurate.
High end Golfsmith ( Model 8720) Frequency Analyser.
Allows you to measure butt frequency, build freq matched set, zone profile shafts and capture FLO
Constant pressure 6 inch clamp with torque-limiting dual knob screws.
205 gram tip weight (ASTM standard) included .
Using a small laser ( not included) the clamping mechanism is great for securing a shaft while checking for FLO (spine alignment).
Determine cpm (frequency) of shafts and can be used for shaft zone profiling with use of 454 gram weight (not included)
This unit retailed for over $500 new
A heavy duty and solid machine.
picture is a stock photo but exact same ( mine is missing the Golfsmith sticker in top left)