The apparatus 2 wherein said pin has an offset and mounted through an aperture in said mounting block and engaging a groove in said plate holder, the opposite end of said pin including means to rotate {TAIL ~ said eccentric pin}, whereupon rotation of the pin causes movement of the plate holder away from or towards {HEAD ~ the extrusion slot} of said die 
The apparatus 2 wherein said pin has an offset and mounted through an aperture in said mounting block and engaging a groove in said plate holder , the opposite end of said pin including means to rotate { TAIL ~ said eccentric pin } , whereupon rotation of the pin causes movement of the plate holder away from or towards { HEAD ~ the extrusion slot } of said die
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