Multi-function Saw Tools: This Multi-function Handsaw Kit included a bow saw 5 steel saw blade 2 drill bits 1 wood saw 2 Diamond saw blade Note: 1. Please rotate the screws to tighten the adjustable seat for the blades before your cutting. 2. Please continuously add water while you are cutting Ceramic, Tile or Glass.otherwise the saw blade is easy to take off sand and be damaged. 3. Do not touch the sawtooth when using it to avoid harming you Diamond Saw blades: The Diamond saw blade is for sharpening glass, ceramic etc hard tools. Note please continuous add drops of water while sawing, otherwise will cut back the life of the saw blade. Wide Use: This Multi-function Handsaw Kit is used for cutting general wood, rubber, soft metal, Tile, Ceramic and PVC etc. widely used in construction,decoration, handicraft processing and other industries. Compact and Safety Design: The multi saw set is lightweight, compact and easy to carry. The saw blades are easily fitted to the bow saw and replace the blades. The scabbard protect you when carrying.