PROFORM's new billet aluminum 1000 lb digital bench top spring tester is the most accurate way to check spring pressure. Check springs up to 1.5” in diameter and 3 7/8” in height. Digital display reads in 1 lb (0.5 kg) increments, and has a back lighting feature. Peak hold and automatic shutoff are other included features.
RAM Travel: 3 7/8"
Upper Anvil: 2 1/4" dia.
Lower Anvil: 1 5/8" dia.
Scale in inches and mm, pressure in pounds and kilograms
Resolution 1 lbs or .5 kgs
Instructions can be found in document tab above.