Replacement HB leads for the Mechanical pencils are available in 0.5mm and 0.7mm with 12 leads to a pack.
Yup, they are. My only comment is that it would be nice to know the manufacturer as I do find there are differences in quality. David Brown (Clevedon, United Kingdom) on 7 May 2014
Excellent product J A Pembery (Wisbech, United Kingdom) on 1 May 2018
Good product at a good price. Julia Feise (Burton-on-Trent, United Kingdom) on 24 Jan 2016