CHENGYIDA Wooden Wood Soap Mold Beveler Planer Bar Candle Making Tool Material: Oak outer diameter LxWxH:19CM(7.48")x10.5cm(4.13")x4.7cm(1.85") inside diameter:LxWxH 19CM(7.48")x8.3cm(3.27")x2cm(0.78") Easy to use sharp blade at 3.5 inchs long to fit most bars take all the sharp edges off the bar and leave a smooth finish