The OLFA Heavy Duty Solid Blades 10 Pack is a versatile and reliable tool for all your cutting needs. Crafted with high-quality carbon material, these blades are built to last. The gray color adds a touch of sophistication to your workspace. Whether you're working on a DIY project or a professional job, these blades are perfect for heavy-duty cutting tasks. With a weight of just 0.45 lb., they are lightweight and easy to handle. From cutting through tough materials to precision trimming, these blades deliver exceptional performance. Upgrade your cutting game with the OLFA Heavy Duty Solid Blades 10 Pack.