Stanley Brick Hammer FatMax 54 022 20 oz One Piece Forged Steel Masonry Tool Chisel Edge AntiVibe Grip For Cutting Blocks And Setting Stone Units Carbide Electronic Convenience Brake: Automatically stops Electronic Convenience Brake: Automatically stops bit rotation in seconds upon switch deactivation for rapid jobsite handling This chest features a fully enclosed dual lock system that resists pry bars Heavy Duty One Piece Forged Steel Masonry Tool for Vibration Reduced Brick and Stone Scoring AntiVibe Technology Matrix: Patented internal tuning fork engineering absorbs high frequency shock waves directly at impact to safeguard joint health