Experience the superior quality of the Pentel 0.7mm pencil lead refill. Composed with a unique blend of synthetic resin, graphite and carbon, this super hi-polymer lead promises strength and flexibility. Perfect for high-speed computer scanning, it's your best bet for exam test scoring. Enjoy a break-free writing experience, with no need for constant sharpening. Plus, it's 100% recycled, making it a responsible choice for the eco-conscious.