Stedox® | Djuphålspenna med hållare och extra stift

The Stedox® Djuphålspenna is a versatile builder's pen that works on dry, wet, and muddy surfaces, marking easily through deep holes and tight spaces. It features a robust steel nib and interchangeable tips suitable for various materials including wood, metal, and concrete.

• The description claims that the pen works on dry, wet, and muddy surfaces.