Gel signal marker
Execution: Protective sheath with a special fastening clip for one-handed operation, with a sharpener integrated into the case. An excellent replacement for a tube marker, 1 Pica GEL replaces up to 4 tubes of 50 ml. Waterproof and lightproof. Resistant to temperatures up to 1000 °C.
Use: To describe all smooth and rough surfaces, it does not matter whether they are light or dark, inside or outside buildings.