Yiyatoo Hobby Precision Carving Razor Tool Set Kit Plus Case X-Acto Crafts Scraps, 13 Piece 3 metal handles and 13 blades accessories Material: Chromium vanadium alloy stee Easy-to-grip aluminum handles in sizes small, medium and large Handle length: 11 cm and blade length: 2 to 5 cm Weight: 128 grams