500ml Manual Fluid Extractor and Filler Gun ⭐ Tank Capacity: 500ml – Suitable for precise and quick tasks ⭐ Manual Operation: No electricity or air required – Simple to use anywhere ⭐ Dual Function: Easily extract and fill fluids ⭐ Multi-purpose: For engine oil, gear oil, coolant, and brake fluid ⭐ High Precision: Excellent control for drawing or adding fluids ⭐ 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