With this set of 100 replacement blades for your utility knife， you will never have to work with a dull blade.<ul><li>Material: Carbon steel</li><li>Size: 100 x 18 mm</li><li><strong>Delivery includes:</strong></li><li>100 x Replacement Blade</li><li>10 x Blade storage container</li></ul>These high-quality blades have undergone a multi-step sharpening process. The carbon steel material ensures extra strength and durability. Each blade features eight 18-mm sections that snap off easily to reveal a new， sharp cutting edge. Our blade refill set is ideal for paper cutting and package opening. Delivery includes 100 blades in 10 handy storage containers.<div id="descriptionImg"><img class="lazy" src="http://img.tomtop-cdn.com/product/xy/2000/2000/p/gu1/1/K/180020UK/180020UK-1-wiKo.jpg" data-original="http://img.tomtop-cdn.com/product/xy/2000/2000/p/gu1/1/K/180020UK/180020UK-1-wiKo.jpg"></div>