🔋M12 System Compatibility. (1) Milwaukee 2551-20 M12 FUEL SURGE 1/4" Hex Hydraulic Driver (Tool-Only). 🔥Why Choose the 2551-20 M12 FUEL SURGE?. 🔧1/4" Hex Quick-Change Chuck. Drive Type: 1/4" Hex. 🔇FLUID-DRIVE Hydraulic Powertrain.
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