Adjustable Wood Soap Mold Loaf Cutter and Beveler / Planer Set Material: Oak Thickness of wood board:15mm Outer Size:about 26.3x13x9cm(10.4" x 5" x 3.5"), Inner Size: (20+6.3) x7.4 x10cm (10.4"x4"x2.82") Sharp blade at 3.15 inchs long to fit most bars.Be careful if you 're using. Take all the sharp edges off the bar and leave a smooth finish