These professional blades are made of high quality carbon tool steel and produced through multiple stages of precise process to obtain the ultimate sharpness and optimum edge-retention. Brand Name: Allway Material: Carbon Steel Blade Type: 7 Point Style: Segmented Product Type: Replacement Snap Blades Number in Package: 5 pk Usage: K7 K700 KS7 RK7 and Similar Knives Color: Silver Packaging Type: Carded Knife Type: Snap Blade Knife Blade Thickness: 18 mm