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Pneumatic Impact Wrench 1700 Nm 1/2" STIX STT-17 Composite + Long CR-MO SERIES 1 Impact Sockets 17/19/21 mm (3-piece set) in Case
In a set
STT-17 pneumatic impact wrench + long CR-MO alloy wheel sockets 17/19/21 mm (SERIES 1)
This set combines the STT-17 pneumatic impact wrench with a 3-piece set of long CR-MO impact sockets designed specifically for alloy wheel service. It is a practical choice for tyre service centres and workshops handling passenger and light commercial vehicles.
The STT-17 wrench uses a Twin Hammer mechanism that delivers full impact force from the first rotations, allowing efficient loosening of seized or corroded fasteners. Four-level torque adjustment helps match the tool to the required task, while the glass-fibre reinforced composite housing withstands heavy workshop use and contact with oils and chemicals. The soft-grip handle improves control, reduces hand fatigue and limits vibration transfer during prolonged work.
The included CR-MO SERIES 1 sockets in sizes 17, 19 and 21 mm are designed for alloy wheel applications. Each socket features an outer protective sleeve that shields the wheel surface from scratches, as well as an inner liner that prevents damage to wheel bolts or nut coatings. The chromoly steel construction provides resistance to impact stress, high temperatures and wear. Their long design improves access to deeper fasteners, while the six-point profile reduces slipping on slightly rounded bolt heads. Laser-etched markings and colour identification ensure quick size recognition.
The sockets are supplied in a practical case that simplifies storage and transport. The STT-17 wrench includes a quick coupling and user manual, allowing the set to be prepared for immediate use. This combination offers a functional solution for everyday wheel-related service tasks and other applications requiring stable, repeatable impact performance.