Proform BB1000 Rimac Big Blue Valve Spring Tester 0-1 000 lbs.-in. Capacity 4 1/

1000 lb capacity and reads in 5 lb increments Ram travel 4-5/8" Upper platform: 2-1/4' diameter Lower platform: 3-1/4" diameter Spring scal divisions: 1/16in" / 1 mm