.it is for asphalt

.size: 10"(250mm)with 17pcs segment 

    12"(300mm)with 21pcs segment

    14"(350mm)with 24pcs segment

    16"(400mm)with 28pcs segment

    18"(450mm)with 32pcs segment

    20"(500mm)with 36pcs segment

    24"(600mm)with 42pcs segment