Hand air pump Bestway Air Hammer 850 ML Manual Black for balls and inflatables

The Bestway Air Hammer 850 ML is a manual hand air pump designed for inflating balls and a wide range of inflatables. Its compact dimensions (88 mm width, 108 mm depth, 300 mm height) and lightweight construction make it easy to carry and store. The pump is finished in black and features a large air chamber with a stroke volume of 0.85 L per cycle, providing continuous airflow on both the up and down strokes for faster inflation compared with single-action pumps. Three universal valve adapters are supplied to fit most common inflation valves.

Advantages

The pump offers a double-action mechanism that supplies air on both compression and extension strokes, reducing pumping time for air mattresses, tubes, rafts and toys. Its compact size and ergonomic handle allow comfortable manual operation and simple transport. The inclusion of multiple valve adapters increases compatibility with different items, while the sturdy plastic construction provides reliable performance during outdoor and indoor use.

Suitable for

• Inflating sports balls (football, basketball, volleyball)
• Air mattresses and camping pads
• Boat tubes, rafts and inflatable water toys
• Pool floats and loungers
• Small inflatable furniture and toys

Key specifications

• Stroke volume: 0.85 L per cycle (double-action)
• Operation: Manual hand pump with up-and-down airflow
• Material: durable plastic housing
• Color: black
• Dimensions: 88 mm (width) × 108 mm (depth) × 300 mm (height)
• Includes: three universal valve adapters for different valve types

How to use

Insert the appropriate valve adapter into the pump hose and connect it securely to the inflatable valve. Hold the pump base steady with one hand and operate the handle with the other, using steady, even strokes to deliver air on both the up and down movements. Monitor the item being inflated to avoid overinflation; stop pumping once the desired firmness is reached. After use, detach the adapter, store the pump in a dry place and keep the adapters together to avoid loss.

Usage recommendations

For efficient inflation, start with larger strokes and maintain a steady rhythm. Use the supplied adapters to match the valve snugly and periodically check seams and valves for secure fit. Avoid exposing the pump to prolonged sunlight or extreme temperatures when storing to preserve plastic parts and seals.