Electric Breaker : HM1801 1-1/8" : 28.6mm Hex Shank Highest-in-class demolition efficiency. - Warning lamp indicates trouble with cord. - Cylindrical tool holder with high reparability; new bolt holes can be drilled when the original bolt holes are clogged with broken bolts. - Flat surface for ownership engraving or ID number labels. - Name plate placed in the position almost free from damages and scratch es. - Carbon brush : CB-204