Eliminate that dark line at the edge of a counter or other laminate-covered surface. With this bit assembly, The laminate cemented to the substrate can be trimmed and mitered in one pass. Then a pre-mitered edging strip can be applied. The resulting seam is clean and crisp. Not intended for use in a laminate Trimmer, #55312, diameter (D): 1-3/8, angle (a°): 45°, cutting Height (B): 1/4, shank (d): 1/4, overall length (L): 2-3/8, replacement bearing: 47708, 55312 carbide Tipped 45 deg laminate Miter joint under cutter assembly 1-3/8 dia x 1/4 x 1/4 inch Shank