They are color coded for easy use, calibrated in both grams and Newtons and feature readings that range.
The fusion welded tubes are durable and are great for force and measurement experiments. 
These spring balance provide direct readings for both force and measurement experiments. 
The transparent tube allows full view of the action of the spring. 
The scales are 270mm long at rest, 330mm  long fully extended.
270mm length purple, 100g/1N.
Product Weight:0.1kg
Overall Size: ¢25x270mm

Science Lab Supplies is a leading Spring Balance manufacturers, suppliers and exporters that offers wide range of Spring Balance at most competitive prices.

Spring Balance

SKU: SL-630