This product is part of the 'Mechanics Kit for Whiteboard' (Item No.: 1000735).
Spring dynamometer for experiment demonstrations. Grooved pulley on ball-bearings and cord with hook. Large, easily read round dial. Zero-point adjustment by turning the dial. With magnet for attachment to a whiteboard.
Diameter: 200 mm
Measurement range: 5 N
Scale division: 0.1 N