I have been buying these mechanical pencils for a long time. They are the best for busy studying because you can click the lead through without moving your hand and the eraser can be twisted up to expose more. Pentel mechanical pencil lead is really good quality as well and this set comes with about 12 extra leads and two extra erasers. You can buy more erasers anywhere. The price for this set was the best I've seen.
Since I use pencils everyday and write for at least 2 1/2 hours each day, I need a pencil that is comfortable and reliable. This produce completely meets my needs. In addition to the pencils, the extra pencil lead and erasures is a measurable money saver. I have noticed that the erasure does not wear down nearly as quickly as competitive products. I am very pleased to have purchased three packaged sets. Will I buy more when I need them? Yes!
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