Manual Liquid Suction and Filling Gun 500 ml ⭐ Tank Capacity: 500 ml – Suitable for precise and quick tasks ⭐ Manual Operation: No electricity or air required – Simple to use anywhere ⭐ Two Functions: Easily suction and fill liquids ⭐ Multi-use: For engine oil, gear oil, coolant, and brake fluid ⭐ High Precision: Excellent control for drawing or adding liquids ⭐ Practical Design: Suitable for tight spaces and small tanks ⭐ Easy to Use: Direct operation without complexity ⭐ Lightweight: Easy to carry and move around the workshop ⭐ Flexible Use: Works with various cars, equipment, and devices ⭐ Application: Ideal for workshops, garages, and daily maintenance tasks