1. 4PCS IN 1 SET: Includes 4 reciprocating saw scrapers with different blade sizes, to meet the needs of different cleaning scenarios. 2. APPLICABLE MATERIAL: 10mm, 30mm and 50mm inserts for precise chiselling of hard materials, 100mm inserts for large areas and softer materials. 3. HIGH CARBON STEEL: These blades are made of excellent high carbon steel material, , wear and . 4. HIGH EFFICIENCY: Suitable for most of reciprocating saw, can replace manual scraping, and improve work efficiency. 5. HOME CLEANING TOOLS: Used for home tile cleaning, floor cleaning, wall putty removal, etc., suitable for removing semi hard materials. Item Type: Reciprocating Saw Blade Size: . 10mm / 0.4inch, 30mm / 1.2inch, 50mm / 2inch, 100mm / 3.9inch Applicable Materials: For semi hard materials such as grease, dry wall mud, linoleum, adhesives, etc. Application: Tile cleaning, floor mud cleaning, wall putty removal, etc. Color: Black Material: Metal Package Contents: 4 x Reciprocating Saw Blade Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.