Fabric stretcher unit for screen material or the like
FIG. 1 is a perspective view of fabric stretcher unit for screen material or the like showing my new design; 
     FIG. 2 is a top plan view thereof; 
     FIG. 3 is a side elevational view thereof with the control omitted for convenience of illustration only, the other sides being the same as the side shown; 
     FIG. 4 is a bottom plan view thereof.