Drive Impact Socket Set Hex Bits Long Air Driver Metric 1/2In H4 H5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16 H17 H18 H19 General Feature: *Made of Chrome-molybdenum steel, the overall induction hardening, not easy to wear. *Fit for factory, repair shop, home furnishing and repair work. *lt can also be used withhand tools, such asDafei speed wrench,Dafei L-type wrench,and Dafei slider wrench. *1/2''(12.5mm) square interface, hexagonal head, the sizes are: 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 16mm, 17mm, 18mm, 19mm. The total length is 80mm. Specifications: Product Name: Electric Drill Socket Adapter Material: Chrome-molybdenum steel Color: Black Length: (Approx. ) 80mm Adapter: 1/2''(12.5mm) Head Stype: Hexagon Head Size: 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 16mm, 17mm, 18mm, 19mm Optional Model: H4, H5, H6, H7, H8, H9, H10, H11, H12, H13, H14, H16, H17, H18, H19 Suitable for: factory, repair shop, home furnishing and repair work. Quantity: 1pc Package Included: 1 Socket Adapter Note: 1.Transition: 1cm=10mm=0.39inch. 2. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 3. Please allow slight manual measurement deviation for the data. _x000D_