Hardened and phosphated impact head. The opening of the impact head is conical, and the aluminum tube of the shaft is fixed in it with a conical wedge. which ensures that the impact head stays on the end of a solid shaft. The stem part is made of aluminum inside. which is covered with fiberglass and rubber. Elastic sleeve at the junction of the stem and the impact head to protect against misses. The rubber handle covering the fiberglass absorbs shock.