Cabilock 2pcs Tension Springs for Force Measurement Small Extension Springs for Physics Education and Projects Testing Tools for Mechanics and Scientific Experiments
Dual rings spring--this spring ensures accurate and reliable using, even under heavy pressure,tension springs
Spring small--our tension spring is made of stainless steel materials that ensure longevity and reliability,stainless steel springs
Testing force springs--this spring is ideal for use in a range of applications, from household to DIY projects,scale springs replacement
Extension spring small--tension springs, designed to provide reliable and accurate using,replacement spring
Extension springs with rings ends--this spring is nice for using with scale (not included) for teaching and learning about the principles of physics and mechanics,scale springs