A ruler with centimeters and inches is detailedly built in the measuring block. By flexibly adjusting block and fixing it, you would cut perfectly specific size soaps quickly and efficiently. And there is a very guitar-like tuner knob for tightening of the cutting wire The cutting wire makes soap clean and smooth through like butter, and you would get the perfect soap bar size you want without effort. Additionally, 10 pcs extra replaced wires would be provided as the gifts, which is much helpful for the beginner soap maker The soap making supplies is well made of premium pine wood and stainless steel material, accurate in every detail, very sturdy and reusable. Despite of the solid construction and practical design, the soap cutter features with very smooth for easy cutting and cleaning Step 1: fix the measuring board with three short screws; : fix block with one long screw and one butterfly nut; Step 3: fix the handle of the soap cutter with one long screw and one butterfly nut, then installation easily finished The soap cutter is not only used for soap making, also be used to cut candles, cheese, chocolates, butter, and various other materials you want. Package: 1 x wooden soap cutter, 10 x replaced stainless steel wires, 2 x wrenches, 1 x screwdriver