Pointed Chisel Bit: Positioned right next to the hammer, this attachment is used to concentrate all impact force on a single point to penetrate hard materials like concrete, asphalt, or masonry.Flat Chisel Bit: Attached directly inside the chuck mechanism, this blade-like tip is optimal for directional breaking, chiseling edges, or scaling off surface layers.Spring-Coiled Cable / Internal Oil Port: The machine includes a heavy-duty connection cable and a red oil cap on the lower cylinder housing for regular lubrication maintenance.