New 3/4 Drive Extension Bar, Snap-on, L122, US Army, 5120-00-227-8079. Meets or exceeds ASME specification B107.10, also SAE standard AS4283. Always better to work on Chinese hardware with American steel than the other way around Measures 16″ long, weighs a little over 2 pounds.
| MRC | Parameter | Characteristics |
|---|---|---|
| ABHP | Overall Length | 15.750 inches minimum and 16.500 inches maximum |
| ABKV | Outside Diameter | 1.000 inches maximum |
| ATNC | Drive Surface Size | 0.750 inches nominal both ends |
| CBBL | Features Provided | Manual tool |
| CTCT | Drive End Shape | Square first end internal |
| CTCT | Drive End Shape | Square second end external |
| ENAC | Environmental Attribute Code | Plastics removal in the marine environment (prime) product |
| MATT | Material | Steel overall |
| SFTT | Surface Treatment | Chromium overall |
| STYL | Style Designator | Rigid |
| ZZZK | Specification/Standard Data | 0U583-SAE AS4283 professional/industrial association standard |
| ZZZT | Nondefinitive Spec/STD Data | 2 type and 2 class |










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