The principle of operation of Halder mallets and hammers is as simple as it is ingenious: using interchangeable tips (tips) of different degrees of hardness, so the mallets can be individually adapted to the material on which they are going to be used. The advantage is that the piece can be treated with greater gentleness and precision, while the stress on the user's joints is reduced.

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Year after year, the product range has seen continuous expansion. Along with the numerous versions of the SIMPLEX model, it includes the SUPERCRAFT model without rebound, as well as forestry tools. In total, about 350 references.