Abstract: A jig for use with masonry saws for supporting and cutting flat and brick-shaped masonry material such as bricks and tile. The jig includes a frame, a "V"-shaped material-supporting bed pivotally mounted on the frame and an adjustment mechanism for adjusting the angle of the "V"-shaped bed with respect to the frame. The adjustment mechanism includes a support bar pivotally affixed to the material-supporting bed at one end and adjustably attached to the frame by a bolt fastened to the opposite end of the support bar and extending through a horizontal slot in the frame to threadibly receive a wing nut.