X-ACTO Z Series Light-Weight Replacement Blade, No 11, 4-7/8 in L, Stainless Steel Blade, Gold Hue, Pack of 5 Sold as a Pack of 5 Extra sharp, long lasting replacement blades coated with zirconium nitride for strength and durability Ideal for when elaborate, detailed cuts need to be made Perfect for cutting paper, plastic, thin metal, cloth, film and other lightweight materials Keep on hand for quick accessibility and non-interrupted work flow