Staedtler 900 25 Pencil Extender. Continue using the stumps of your pencils right down to the last centimetre with this smart, all-metal pencil extender with integrated replaceable eraser.
Works with most normal-sized round or hexagonal pencils of diameters between 7.4-8.0mm, triangular pencils don't fit very well!
Cylindrical metal barrel with knurled metal grip. Removable strong metal pocket clip. Lead grade indicator runs from 2H to 4B, including F.
Staedtler 77R56 is a suitable replacement eraser.