Key features:

• Automatic application: Attaches to a drill for automatic application, eliminating manual caulking fatigue.
• Versatility: Works with various materials including mortar, cement, lime mud, and waterproof mortar.
• Multiple nozzles: Includes four interchangeable nozzles for different applications.
• Large hopper: Features a big funnel-shaped hopper (7.87in x 5.5in x 7.87in) to reduce refilling frequency.
• Easy to use: Simple to set up and use by attaching it to a drill.
• Portable and lightweight: Small and light (4.4lbs) for easy carrying and maneuverability in tight spaces.
• Durable build: Made from high-quality alloy steel for strength, wear resistance, and rust prevention.
• Labor-saving design: Reduces effort and improves discharge efficiency compared to manual caulking.