3 Review(s)

Ergonomic design for an easy grip, 1. The comprehensive wear of this product is about 0.005mm when writing 1 meter, the loss is about 0.0062 cubic millimeters, the writable volume is about 99.011 cubic millimeters, and the theoretical writing is about 15900 meters. 2.Wooden pencil wears 1.8mm for 1 meter (international GB/T26704-2011). The theoretical writing length of this product is 100 meters. The theoretical writing length of this product is 159 times that of a wooden pencil.