Extension Spring， 302 Stainless Steel， Inch， 0.3" OD， 0.037" Wire Size， 2.75" Free Length， 5.4" Extended Length， 6 lbs Load Capacity， 2.08 lbs/in Spring Rate (Pack of 10)</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Slightly magnetic stainless steel 302 per ASTM A313 for greater corrosion resistance than steel music wire</li><li>Full twist loop ends for secure fastening</li><li>Load capacity of 6 pounds</li><li>Maximum operating temperature of 500 degrees F (260 degrees C)</li><li>Passivated for enhanced corrosion resistance</li></ul></div></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br><img src='http://ecx.images-amazon.com/images/I/31S36ppTYSL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41JIg43hjiL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/413e9rZOChL.jpg' noproxy></br>