Mounting hammer with 8 interchangeable tips of different hardness Tips made of durable PI, PUR plastic Aluminum-based alloy hammer head, permanently set on a wooden handle with a length of 320 mm The set includes round tips with a diameter of 42. 5 mm and square tips 43 x 43 mm Available hardnesses allow you to match the tool to work with different materials Gray tips - hardness approx. 65 hrc Red ends - hardness approx. 72 hrc Blue ends - hardness of about 73 hrc White end - hardness approx. 80 hrc Black tips - hardness about 95 hrc For tinsmithing, roofing, installation work Use after thorough work Use after carefully screwing into the head of the tip of the desired hardness and shape Head on shank, eight tips of different hardnesses Use after carefully screwing into the head the desired hardness and shape.