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Hex key Proline 4 mm – Proline 48568 single hex key (metric)
Summary description:
Proline 48568 is a single metric hex key with a 4 mm tip, designed for driving hex (Allen) fasteners. The compact, single-piece tool suits assembly, maintenance and repair tasks on furniture, bicycles and machinery where a 4 mm hex is required. Compatible with standard metric hex screws and useful for DIY and professional applications.