• Set of 20 high-precision compression springs. • Made of 304 stainless steel resistant to rust and corrosion. • Dimensions: wire diameter 0,15 mm, outer diameter 3 mm and static length 5 mm. • Polished, smooth and burr-free surface for a long service life. • Maximum spring force of approximately 0,02 kg (0,18 N). • Maximum compression length of 4 mm. • High elasticity with uniform spacing and stable force. • Ideal for use in appliances, switches, mechanical equipment, tools and general maintenance.