This is a dual unit spring scale that can measure weight in grams and force in Newtons. This scale comes in six different sizes as described in the table below.

Buy all 6 for only $25

Color Coded Scales included in this set are:

Color	Newtons	Grams
Blue:	0 N to 2.5 N	0 Grams to 250 grams
Green:	0 N to 5 N	0 Grams to 500 Grams
Brown:	0 N to 10 N	0 Grams to 1000 Grams
Red:	0 N to 20 N	0 Grams to 2000 Grams
White:	0 N to 30 N	0 Grams to 3000 Grams
Yellow:	0 N to 50 N	0 Grams to 5000 Grams

Newton units are used when you want to measure a force. Grams are used when you are measuring a weight.

This product will substitute old style spring scales 3439-01, 3439-02, 3439-03, 3439-04, 3439-05, 3439-06, 3439-21, 3439-22, 3439-23, 3439-24, 3439-25, 3439-26.