')}.my-chat-box{display:none;position:fixed;right:10px;bottom:20px;width:82px;height:82px;background-image:url("https://s.lzchips.com/static/images/chat.gif")}@media screen and (min-width:992px){.my-chat-box{display:block}}
Springs - Torsion
Torsion springs are helical springs with exposed coils that are used to provide a rotary force. These are filtered by their material, wire diameter, inner and outer coil diameter, max load weight, leg length, and more.