One aspect of this invention relates to {HEAD ~ a selectorized dumbbell} which comprises {TAIL ~ a plurality} of nested weights comprising a stack of nested left weight plates and a stack of nested right weight plates separated by a gap 
One aspect of this invention relates to { HEAD ~ a selectorized dumbbell } which comprises { TAIL ~ a plurality } of nested weights comprising a stack of nested left weight plates and a stack of nested right weight plates separated by a gap
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH