This extra-wide 1.3 mm graphite lead is made for Pentel Mark Sheet mechanical pencils, but it's also compatible with the small handful of other 1.3 mm pencils on the market. Nice and soft, dark, and slow wearing, Mark Sheet pencil...

This extra-wide 1.3 mm graphite lead is made for Pentel Mark Sheet mechanical pencils, but it's also compatible with the small handful of other 1.3 mm pencils on the market. Nice and soft, dark, and slow wearing, Mark Sheet pencil...

Made for marking Scantron forms, Pentel's Mark Sheet Sharp mechanical pencils feature an extra-wide 1.3 mm lead that's also darker than usual for perfectly filled bubbles. Of course, a lot of us are done taking standardized tests, but our art...

Made for marking Scantron forms, Pentel's Mark Sheet Sharp mechanical pencils feature an extra-wide 1.3 mm lead that's also darker than usual for perfectly filled bubbles. Of course, a lot of us are done taking standardized tests, but our art...

Pentel Ain STEIN leads are a new generation of darker, stronger graphite refills from the global leader in mechanical pencils. Believe it or not, the name is an acronym: STEIN stands for "Strongest Technology by Enhanced SiO₂ Integrated Network." SiO₂...

Pentel Ain STEIN leads are a new generation of darker, stronger graphite refills from the global leader in mechanical pencils. Believe it or not, the name is an acronym: STEIN stands for "Strongest Technology by Enhanced SiO₂ Integrated Network." SiO₂...

Pentel Ain STEIN leads are a new generation of darker, stronger graphite refills from the global leader in mechanical pencils. Believe it or not, the name is an acronym: STEIN stands for "Strongest Technology by Enhanced SiO₂ Integrated Network." SiO₂...

Pentel Ain STEIN leads are a new generation of darker, stronger graphite refills from the global leader in mechanical pencils. Believe it or not, the name is an acronym: STEIN stands for "Strongest Technology by Enhanced SiO₂ Integrated Network." SiO₂...

Pentel Ain STEIN leads are a new generation of darker, stronger graphite refills from the global leader in mechanical pencils. Believe it or not, the name is an acronym: STEIN stands for "Strongest Technology by Enhanced SiO₂ Integrated Network." SiO₂...

Pentel Ain STEIN leads are a new generation of darker, stronger graphite refills from the global leader in mechanical pencils. Believe it or not, the name is an acronym: STEIN stands for "Strongest Technology by Enhanced SiO₂ Integrated Network." SiO₂...

Pentel Ain STEIN leads are a new generation of darker, stronger graphite refills from the global leader in mechanical pencils. Believe it or not, the name is an acronym: STEIN stands for "Strongest Technology by Enhanced SiO₂ Integrated Network." SiO₂...

Pentel Ain STEIN leads are a new generation of darker, stronger graphite refills from the global leader in mechanical pencils. Believe it or not, the name is an acronym: STEIN stands for "Strongest Technology by Enhanced SiO₂ Integrated Network." SiO₂...