|Description||Specifications||Questions & Answers|
The following lead grades are available, listed from softest to hardest: 4B, 3B, 2B, B, HB, F, H, 2H, 3H, and 4H. Red lead is also available.
Note: Each lead piece is fitted with a rubber stopper at the end, which is only compatible with the corresponding Uni Mitsubishi Lead Holders. To use this refill lead with other 2 mm lead holders, the rubber stopper must first be removed.