and certified tamper-resistant under ISO 14145-2 — and at this fine a width

and neutrals

weighs 13-14g

where lifting out one wrong digit or guideline without disturbing the surrounding ink usually isn't possible with a wider eraser

pentel ain stein refill leads 0 9 mm Nike and certified tamper-resistant under ISOThe heaviest diameter in the AIN Stein range a thick, bold graphite lead for heavy handed writing styles, technical shading, storyboard sketching, and field notation where a substantial visible line is required. The ceramic honeycomb core delivers complete break resistance at 0. 9 mm under standard writing conditions. The Hi Polymer resin produces deep, rich lines that adhere tightly to paper grain without the powdery smudging typical of standard