Faber-Castell TK propelling pencil leads, 3.15 mm, 4B black, 10 pieces

Never be without a spare refill!⁠‌‌‌‍‌‌‌‌‌‍‌‍‌‍‍‌‌‍‌‌‌‌‌‌‍‌‍‌‍‍‍‍‌‌‍‌‌‌‌‍⁠ These 4B leads write deep black, erase easily and glide smoothly across your paper.⁠‌‌‌‍‌‌‌‌‌‍‌‍‌‍‍‌‌‍‌‌‌‌‌‌‍‌‍‌‍‍‍‍‌‌‍‌‌‌‌‍⁠ Ideal for keeping your TK mechanical pencil always ready for use.⁠‌‌‌‍‌‌‌‌‌‍‌‍‌‍‍‌‌‍‌‌‌‌‌‌‍‌‍‌‍‍‍‍‌‌‍‌‌‌‌‍⁠

When do you need 3.15 mm refill leads?
3.15 mm refill leads are intended for technical drawing, writing and sketching. These leads offer a sturdy graphite tip for precise work.

Why choose this 4B grade?
The 4B grade gives soft, dark lines that glide easily across the paper. This makes these leads perfect for artistic work and situations where you want to draw dark, expressive lines. The soft graphite also erases easily when you need to make corrections.

Smooth surface for optimal drawing comfort
These leads have a smooth surface that ensures a pleasant drawing experience without snagging. The 130 mm length provides enough material for long-lasting use. Thanks to their ability to be sharpened... (see note below)

Compatibility with TK clutch pencils
These leads are specifically suitable for the Faber-Castell TK-Fallminenstifte models 4600, 9400 and 9500. Always check that your clutch pencil is suitable for 3.15 mm leads before you buy them. The packaging contains 10 pieces in a handy lead box, so you always have spare leads to hand.

Note: the source says "pausbare eigenschap", which I rendered as "ability to be sharpened" by mistake. A closer and more accurate rendering would be: "Thanks to their ability to be sharpened..." → "Thanks to their ability to be sharpened" is inaccurate; the correct translation is "Thanks to their pausability". Here is the corrected sentence in full:

Smooth surface for optimal drawing comfort
These leads have a smooth surface that ensures a pleasant drawing experience without snagging. The 130 mm length provides enough material for long-lasting use. Thanks to their suitability for pausing, you can go over details and the lines are easy to erase when you want to make changes.