Preferably, the contact spring part is approximately the length of {HEAD ~ the rear section} of {TAIL ~ the guide pin} to optimize the mechanical connection 
of
Preferably , the contact spring part is approximately the length of { HEAD ~ the rear section } of { TAIL ~ the guide pin } to optimize the mechanical connection
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH