High precision: high performance with high precision, ultra hardness, super strong, more sharp and sturdy, no rust and anti-static, faster than cutting plotter. Premium Materials: The cutter blades are made of tungsten steel, super strong, better abrasion resistance and durability. The knife block is made of aluminum alloy with high precision and compatibility. Easy to Store and Protect: The blade surface is smooth, durable and not easy to break. Comes with caps which can protect these blades for easy storage and carrying. shlpping Quantity: 16 Pack (1 Vinyl Blade Holder with 15 Piece Cutters) Our products are made with the splendid quality materials and are designed to provide you with the best possible user experience.