{HEAD ~ Each} of {TAIL ~ the balancer weights} are integrally fored with, and surround, a corresponding one of the web core portions 
of
{ HEAD ~ Each } of { TAIL ~ the balancer weights } are integrally fored with , and surround , a corresponding one of the web core portions
HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH