The original adjustable square jig tool designed by Mark Fukuda. Duplicate any square or rectangle
shape precisely. The size of this tool is 12" x 12" for the max cutout size. Machined from 1/2” aircraft grade 6061 billet aluminum, brushed finish, clear anodized for smooth operation, knurled nylon adjustment screws and stainless steel stop screws.
 
See how the tool is used here!