The base plate of {HEAD ~ the disc drive} may also have {TAIL ~ a stepped mounting surface} and a shoulder for the dampening member 
The base plate of { HEAD ~ the disc drive } may also have { TAIL ~ a stepped mounting surface } and a shoulder for the dampening member
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH