Haarborstel 50% haar hard

While specific product details for the Sterstyle /Hard Strength are not available in search results, information about the brand’s other “Oak” brushes suggests its likely features.
‘Sterstyle’ hairbrushes with ‘Oak’ in the name generally have a wooden handle and stiff, durable bristles designed for effective hair care.
Based on the product description you can deduce the following characteristics:
Handle Material: The name “Oak Brush” indicates a high-quality, durable wooden handle, probably made of oak.
Strength of the bristles: The designation “Hard Strength” means that the bristles are firm and resistant. These types of brushes are often intended for people with thick, coarse or curly hair, or for specific styling purposes, such as creating waves or smoothing.