This upper mould half also forms {TAIL ~ the spring well} and contains {HEAD ~ a removable core plug} 
This upper mould half also forms { TAIL ~ the spring well } and contains { HEAD ~ a removable core plug }
OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD