✅ No fixed installation — ready to use instantly

🟢 Improves chlorine effectiveness — chlorine works better with correct pH

🔵 System: Manual

Safety and comfort for fatigue-free work

Shake the container before use

Juego 5 Brocas Widia Carburo STEIN Profesional 4–10 mm seguridad vial ✅ No fixed installation —Professional grade Widia (carbide) drill bits 5 sizes: 4, 5, 6, 8, and 10 mm the most commonly used Designed for hard materials: concrete, brick, stone High wear resistance longer lifespan Compact 5 piece set ready to use Precise drilling in the most demanding materials The STEIN Widia drill bit set is made with a carbide tip (Widia), the benchmark material for drilling concrete, brick, stone, and other hard materials with precision and without