The 1/2" drive is the most common size for automotive and mechanical use. We differentiate these pnewmatic tools based on three key factors:

1⃣Housing Material

Type Description Customer PreferenceSales Tip Aluminium Body Traditional full-metal body; slightly heavier; considered more durable by some,such as AEROPRO impact wrench A398 ,Preferred by traditional/professional users. Emphasize durability and ruggedness. Composite Body Made from modern materials; lighter weight; still impact-resistant such as the AEROPRO A315. Increasingly popular due to comfort and weight. Highlight ergonomic benefits, reduced fatigue.

2⃣ Torque Control Knob Design

Type Description Advantage Small Round Knob Traditional rear dial with basic setting changes. Simpler, often seen on entry-level models such as AEROPRO air tools A7430. Pointer-style Dial (Rear) Modern design with clear directional pointer on the back of the tool such as the AEROPRO A315,A398,AP7451. Easier to operate and quicker adjustments. Sales Tip: Use this feature to show product evolution and ease of use - especially to customers new to air tools.

3⃣ Torque Rating (Nm)

Torque Range Application ExamplesSales Tip ~500–800 Nm General workshop or small vehicle repairs Ideal for DIYers and general service centres. ~1000+ Nm Heavy-duty repairs, stuck bolts, trucks etc. Offer to professionals who need more force.