This is a hex bit. It is 4.5 mm. It is for adjusting Idle/Mixture Screws on GM and Chrysler.
- For use on 1978 and 1979 GM vehicles
- Replacement item for a carburetor-adjusting tool (#55250)
- Durable and made to last
- Size etched on bit
Specifications
- Individual/Set: Set
- Drill Bit Type: Combination Bit Sets
- Product Height (in.): .3
- Product Depth (in.): 1.5
- Product Width (in.): .3
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