GEARWRENCH Impact Socket Set 89094 44 Piece 1 2 Inch Drive Black Oxide Finish SAE Metric 6 Point Alloy Steel Heavy Duty Automotive Repair Tool 149 199 Brand Freud Model Number 99 521 Brand Freud Model Number 99 521 Profile Classification 2+2 Extra Long Ogee Raised Panel Overall Tool Diameter 3 Brand Manufacturer Diablo Tools Model Part Number DMAMXCC5030 Product Line Family SDS Max One Piece Concrete Core Bits Drive Shank Fitting Type SDS Max (Heavy Industrial Drive Platform) Bit Assembly Engineering Solid Integrated One Piece Shaft and Cup Cutting Tooth Matrix Material Industrial Heat Resistant Tipped Carbide Pilot Center Locator Style Peak Point Non Slip Tip Design Dust Extraction Geometry Continuous High Capacity External Spiral Flutes Primary Mode Compatibility Rotary Hammer Action Mode Only Material Cutting Capabilities Cured Concrete Premium Cr Mo Steel: Forged from high performance Chrome Molybdenum alloy steel to achieve maximum tensile strength under repeated high load impacts 1 1 2 Inch Drive by 5 Inch Impact Extension Bar