Pica BIG-Dry 6030 FOR ALL Universal Graphite Leads, 2B (12-Pack) are replacement marking leads for the Pica Big Dry marker system. This is a mechanical pencil refill designed for jobsite marking on a wide range of materials. Model Number: 6030. If you need refill leads that keep writing across wet lumber, rough concrete, glossy surfaces, or oily material, this is the practical refill pack to keep in your pouch.

What makes these leads useful is not just that they are graphite, but that they are built for "for all" surface work. Source data states they mark on most surfaces and through most conditions, including dry, wet, glossy, rough, dusty, and oily materials. That matters on real jobs because layout work does not happen only on clean wood in a shop. It happens on tile, concrete, metal, pipe, rubber, cardboard, and treated lumber out in the field.

The 2B formulation gives you a visible mark, and the rectangular 2 x 5 mm lead shape is a better fit for construction marking than a standard round pencil lead. It helps create bold lines that are easier to see during cutting, drilling, fastening, or measuring. For anyone doing repeat layout work, that visibility saves time and reduces second-guessing.

These refill leads are made specifically for the Pica Big Dry platform and are listed for use with PA6060/SB. If you already run a Pica Big Dry marker, this is the straightforward refill you want in the truck, gang box, or apron pocket. It is a system buy, not a standalone marker, so compatibility matters here.

Another useful detail is cleanup. Source data notes that the marks are removable with a damp cloth. On finished or sensitive surfaces where a permanent mark can create extra cleanup or rework, that is a real advantage. You still get a visible layout line, but you are not stuck with it the way you might be with some paint markers or permanent marking options.

In practical terms, these leads fit trades that bounce between materials all day. Carpenters marking wet or dry lumber, tile installers laying out cuts, metalworkers marking stock, plumbers working on pvc pipe, and remodelers moving from wood to concrete to glass can all get use out of them. If your marking tool only works on one clean surface, it slows you down. These leads are meant to fix that problem.

If you already own the correct Pica Big Dry marker, this refill pack is the easy call. It gives you twelve replacement leads, broad compatibility across common jobsite materials, and removable graphite marks when cleanup matters. For pros and serious DIY users who do layout in mixed conditions, that is the whole point.

A smart refill for anyone who marks more than clean drywall and pine

Pica BIG-Dry 6030 FOR ALL Universal Graphite Leads, 2B (12-Pack) make sense for tradespeople who need one refill that can handle the messy reality of jobsite materials.

• Who it's for: Pros and serious DIY users already running a Pica Big Dry marker for layout on wood, concrete, tile, metal, pipe, and other mixed materials.
• Why it stands out: The real advantage is surface range. Wet, dry, rough, glossy, dusty, oily, this refill is built for the stuff that usually makes ordinary pencil marks unreliable.
• Worth knowing: This is a refill pack, not the marker itself. If you do not have the compatible Pica Big Dry body, start there first.

• What marker are these leads made for? Source data lists them for use with PA6060/SB, the Pica Big Dry marker platform.
• What surfaces can these graphite leads mark on? They are listed for use on most surfaces, including stone, concrete, metal, wood, wet and dry lumber, pvc pipe, glass, tile, rubber, and cardboard.
• Are the marks permanent? No. Source data states the marks are removable with a damp cloth.
• What is the lead size? The refill lead size is 2 x 5 mm.