DEWALT Impact Socket Set DWMT19251 1 4 Inch Drive Combination Socket Kit (48 Piece CR440 Steel Black Oxide DirectTorque Metric SAE Automotive Hardware) 11 pc 90 Tooth Low Arc Ratcheting Wrench: Requires 90 Tooth Low Arc Ratcheting Wrench: Requires only a 4 degree arc swing for fluid fastener manipulation in restricted or cramped work zones Fleet Gear and Sprocket Disassembly: Removing heavy transmission drive gears and timing sprockets safely using convertible 3 jaw distributed force auxiliary belt brackets Brand Manufacturer: DEWALT Model Number (SKU): DWMT19251 Product Type Category: Combination Impact Socket Set Total Master Piece Count: 48 Pieces Anvil Input Drive Size: 1 4 in Square Drive Measurement Scale Profile: Dual SAE Fractional and Metric Fastener Profile Geometry: 6 Point Hex Grip Socket Depth Configurations: Standard Shallow and Deep Well Included Core Tool Metallurgy: Heat Treated CR 440 Alloy Steel Matrix Surface Anti Rust Armor: Chemical Black Oxide Finish Coating Anvil Interface Security: Retaining Pin Hole and O Ring Groove Ready Identification Technology: Thermal Laser Etched Ablation Markings Organized Carry Case: Yes (Hard Shell Plastic Container) UPC Code Field: 076174192513