12pcs Electric Hammer Drill Set Material: YG-8 Alloy Steel Tip, 40Cr Body Finish: Satin Including: Drill: 5x110mm, 6x110mm, 8x160mm, 10x160mm, 12x160mm14x210mm, 16x210mm, 18x300mm, 20x450mm1pcs Point Chisel 250mm 1pcs Flat Chisel 20x250mm 1pcs Groove Chisel 250mm Packing: Blow Case12pcs Electric Hammer Drill bits 12pcs Electric Hammer Drill bits