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Snap-on S6139 | Double D Carburetor Adjusting Socket | 3.5 mm, 1/4 in Drive

Snap-on S6139 | Double D Carburetor Adjusting Socket | 3.5 mm, 1/4 in Drive

Part Number : S6139

S6139 is a double D adjusting socket for the idle adjusting screw on 1978-later GM vehicles. It is 3.5 mm across flats and 13/16 in long. Its Snap-on category is Testing and Electronics / Fuel and Engine Systems / Carburetor / Carburetor Adjustment Tools. Snap-on's own product name for this item is: Double D Carburetor Adjusting Socket. The Snap-on part number to quote when ordering is S6139.

Key features

  • 1/4 in drive
  • 7/16 in outside diameter at the drive end
  • Nickel-chrome finish
  • Across Flats: 3.5 mm
  • Snap-on item number S6139
Availability: in stock
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