High Quality: Made of #50 high carbon steel, more durable and stronger than ordinary materials. Suitable for repairing plaster sealant joints in large areas. Economical Package Filling Knife Set: Includes 7 putty knives (1 inch, 1.5 inch, 2 inch, 2.5 inch, 3 inch, 4 inch, and 5 inch), which can meet your different needs. Storage Bag: Equipped with a convenient foldable storage bag, made of 600D Oxford material. It is durable. It can organize putty knives securely and keep them safe. Multiple uses: Very suitable for installing windows, removing loose putty, scraping paint, removing broken paint, removing vinyl siding or paper walls, repairing holes, dents, cracks. Comfortable and durable handle: The handle is made of high-quality plastic, comfortable and durable, and can be grasped to the greatest extent. Product Description Features: Material: 50# steel Weight: 525g Outsourcing material: 600D Oxford cloth Package Included: 7 x Putty Knives 1 x Portable Storage Canvas Bag