Reinforce corners on chests, screens, and windows with these National Hardware corner braces, and quickly repair your general household items. Brace size = Phillips Flat Screw size, Drill Bit size1-1/2" x 3/8" = #5 screw, 5/64" drill bit2-1/2" x 1/2" = #6 screw, 5/64" drill bit3-1/2" x 5/8" = #7 screw, 3/32" drill bit2" x 3/8" = #5 screw, 5/64" drill bit3" x 1/2" = #6 screw, 5/64" drill bit4" x 3/4" = #8 screw, 3/32" drill bit | HILLMAN V117 Corner Brace | Size 2" x 3/8"