Hunter Spring AMETEK Mechanical Force Gauge Spring Scale Pull Tool

This is a calibrator air pressure twin spring pulley force tool or a Hunter Spring AMETEK Mechanical Force Gauge Spring Scale Pull Tool grams b-motor for p-7172's. this set if worth upwards of $3000. I am listing everything I know and can see. This has a smaller box that reads couple to calibrator switch, to scope sweep. 4 screw on brass fittings (15 grams,14/4 grams,12 grams. & 10 grams. one aluminum fitting marked 12.5 grams, 4 springs in cases labeled p-7172 negator B-Motor hunter springs div. ametek, inc.

PRICE HAS JUST BEEN REDUCED IN HALF FOR THIS WEEK