Material: 50 Carbon Steel + 600d Oxford cloth, durable and smooth, repair large sealing surfaces, drywall joints Size: 7 pieces of knives (2.5 cm, 3 ,8 cm, 5.1 cm, 6.3 cm, 7.6 cm, 10.2 cm and 12.7 cm ) correspond to different uses. Comfortable and durable handle: the handles are made of good quality plastic, comfortable and durable handles for maximum grip. Portable and practical: Comes with a storage bag, all knives are safely stored. Multi-function: can be removing loose, putty, scraping paint, removing loose paint, removing vinyl or covering wall paper