When the profile plate containing the profile shaped extrusion apertures is mounted in the holder, the transverse distance between the fastener profile and the extruding film or {HEAD ~ sheet} is varied, permitting {TAIL ~ the base} of the profile to be varied 
When the profile plate containing the profile shaped extrusion apertures is mounted in the holder , the transverse distance between the fastener profile and the extruding film or { HEAD ~ sheet } is varied , permitting { TAIL ~ the base } of the profile to be varied
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH