The chucks that work with this impact wrench are of the hex kind. The impact wrench runs on a rechargeable battery, so it's cordless.
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Bosch Professional 18V System GDX 18V-200 C Cordless Impact Driver (max. Torque: 200 Nm, 1/4" Internal Hexagon, 1/2" External Square, excluding Batteries and Charger, in Carton)
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Bosch Professional GDX 18V-200 C Brushless 1/2" Impact Driver / Wrench Body Only