Pica powder allows for quick and precise marking even in holes up to 25 cm deep, thanks to an aerosol-free (ZERO GAS) fluorescent green chalk system. Refillable and with up to 1,500 sprays, it offers visible markings on any surface, even damp or rough ones. The 360° spray arm allows you to reach difficult spots, ensuring clean and fast work in construction, plumbing, electrical, and carpentry.