Packing: diamond wire saw and saw frame (if the goods are missing parts, please directly and we will resolve the issue) Due to the thin cutting line, when installed in a hand wire saw, it must be properly secured. When using a hand saw, apply uniform pressure, do not pull quickly or use excessive force to avoid breaking the blade. Uses: suitable for cutting various gems and other abrasives, marble, granite, glass, ceramics, wood, metal models, and high precision cutting of various hard and brittle materials. Efficient: fast cutting speed, minimal chips, narrow kerf, smooth cutting surface, ideal for fine cutting. Note: When sawing, water must be applied to the cut, otherwise the abrasive will wear out quickly. This is a characteristic of all abrasive materials. When using a hand saw, apply uniform pressure, do not pull back quickly or use excessive force to avoid breaking the blade. Due to the thin cutting line, the screw must be correctly tightened when installing in a manual wire saw. To avoid excessive force, ensure screws are properly secured to prevent the saw blade from becoming loose or damaged. Number of products: 13 pieces Color: as shown in picture Size: compatible saw blade length: 130 mm Total length: 220 mm