Extension Spring, 302 Stainless Steel, Inch, 0.18" OD, 0.026" Wire Size, 1" Free Length, 1.57" Extended Length, 3.5 lbs Load Capacity, 5.66 lbs/in Spring Rate (Pack of 10)
</br></br>

</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/21rr5Bp1ybL.jpg'></br>
<img src='http://ecx.images-amazon.com/images/I/41VscuJzyZL.jpg'></br>