"mono graph" features(1) equipped with a "shake mechanism function" that can be centered when shaking the body vertically, quickly miss without interrupting typing and learning. (2) the length of the gap-type holder eraser body tail (general product knock part) of 26mm (practical 16mm) is quickly changed by simply rotating the pen, and can be repeatedly used as a plastic eraser of common use. -this product is valued as a focused learning environment and a sharp pencil for work. "mono graph" was awarded the "good design award" in 2014 and the "reddot design award" in 2016. [features of the mechanical pencil] it has a “shake mechanism” mechanism, which can be standard size of 147 millimeters. you can wick without dimensional worlds. you can stop the "shake mechanism function" by sliding the clip in the direction of the plastic eraser (called "frelock function"). you can also place the clip on the hub by hitting the slider. maximum 10 pieces of this product can be ordered. swordslife reserves the right to cancel orders over 10 units. more than 10 stocks are available to be sold at the campaign price. the seller determines the selling price of the product you have reviewed. this product is not included in the discount campaign. a product can be sold by more than one seller. sellers of products offered for sale by more than one seller are listed according to the price they set for the product, seller ratings, delivery status, promotions on the products, whether the cargo is free or not, whether the products can be delivered with fast delivery, and the stock and categories of the products. Create a party-ready atmosphere with this colorful LED lighting. Easy to install and perfect for events or home decoration.