I prevent core jamming when I break a core! An eraser comes out just to invert the body! Omit it and can delete trouble to exclude the chief of the eraser quickly. When I paint with fast writing and mark sheet densely, a core is not broken either! ●Lower part spring is equipped with ● spacer which the tip jumps out, and prevents guard ● core jamming in a core absorption 2 in pressure of the pen, and Dell guard system 1 protecting a core prevents core jamming 1 that upper part spring misses a core absorption 2 in pressure of the pen in the upper direction and prevents buckling up by burying a gap. ●Mechanical pencil ● core diameter: A 0.5mm ● axis color: White ● book 143mm in length ● axle diameter: With 11.6mm ● eraser
I prevent core jamming when I break a core! An eraser comes out just to invert the body! Omit it and can delete trouble to exclude the chief of the eraser quickly. When I paint with fast writing and mark sheet densely, a core is not broken either! ●Lower part spring is equipped with ● spacer which the tip jumps out, and prevents guard ● core jamming in a core absorption 2 in pressure of the pen, and Dell guard system 1 protecting a core prevents core jamming 1 that upper part spring misses a core absorption 2 in pressure of the pen in the upper direction and prevents buckling up by burying a gap. ●Mechanical pencil ● core diameter: A 0.5mm ● axis color: White ● book 143mm in length ● axle diameter: With 11.6mm ● eraser