Transfer Small Load : The Load Between Two Parts Can Be Transferred To A Certain Extent, But The Load It Can Bear Is Relatively Small. - Good Elasticity : The Design Of The Spring Column Makes It Have A Certain Degree Of Elasticity, Which Can Buffer Vibration And Impact To A Certain Extent, Prevent Screws From Loosening, And Can Provide A Certain Preload Force During Installation To Enhance The Reliability Of The Connection.
eBay