There is a $100.00 minimum order required when purchasing "United Scientific Supplies" products
Overview
Set includes two helical springs. The long, narrow spring measures 3/4" x 72", and can be extended to 5 meters. The larger spring measures 3" x 4", and can be extended many times its length without distortion. Includes activity guide. Shipping weight for WDSET1: 2.5 lbs
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