This is a new Pliing Knife from RGM, Italy Company that allows you to draw with the feel of finger painting. Set includes 6 different blades in smaller sizes. Hand movement is transmitted directly to the screen as the knife is held close to the screen. You can use it to create a variety of works depending on your ideas, while enjoying an intuitive feel like never before. Set Contents (Blade Size): SC018 1.1 x 0.4 inches (28 x 10 mm); SC022 2.0 x 0.7 inches (50 x 18 mm); SC041 1.3 x 0.4 inches (33 x 10 mm); SC044 1.9 x 2 inches (5 inches (4 inches (50 inches (4 mm). Specifications: Material: Carbon Steel (3 inches (3 mm). Package Size: 7 mm). 7.1 inches (180 mm) Weight: 40g (6 pieces in weight. Italian Art Knife Easy Line Introduction Video