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