Plastic Tubular Spring Scale, Sciencent Set of 5 Spring Balance Hanging Spring Scale Set , 1N, 5N, 10N, 20N, 30N ,Capacity Zeroing Capability,Grams & Newton Calibratio Accurate Force Reading: With multiple capacity options (1N, 5N, 10N, 20N, 30N), this tubular spring scale delivers reliable force measurements for a range of tasks. Durable See-Through Build: Constructed from transparent, high-strength plastic, its resilient design promises enduring use and consistent operation. Dual-Unit Calibration Flexibility: Calibrated to display readings in both grams and Newtons, it offers the convenience of switching between measurement systems to suit your needs. Quick Zero-Adjustment Feature: Equipped with chrome-plated connectors and a top-mounted metal nut, the scale allows for instant and straightforward zero resetting to ensure measurement accuracy. Simplified Operation: The user-friendly design, highlighted by the easy zeroing mechanism, facilitates efficient setup and minimizes errors during use.