# This Apex Extension 3/8 Female Square Adapter is the perfect tool for getting into those hard-to-reach places. It allows you to work with sockets that are too short, making it a versatile addition to your collection of tools. With four points and an output drive size of 3/8" F x 1/2" M, this extension adapter will give you added reach. The square output drive type means it can be used with hex nuts, lag bolts and other fasteners. You'll love how well this Apex Extension Adapter works on the job site.

**Manufacturer:** Apex  
**MPN:** `EX-503-B`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Apex |
| Manufacturer name | Apex |
| Manufacturer | Apex |
| CategoryId | 11952 |
| CategoryIdL1 | 10 |
| CategoryIdL2 | 4423 |
| CategoryIdL3 | 11952 |
| CategoryL1 | Tools & Machining |
| CategoryL2 | Hand Tools |
| CategoryL3 | Sockets & Ratchets |
| CategoryL4 | Socket Extensions |
| DimensionUnit | inch |
| GTIN | None |
| GraingerSku | 33N716 |
| UPC | None |
| UnitOfMeasure | EA |
| Weight | 0.14 |
| WeightUnit | lbs |
| cali_prop65_orglabel | False |
| cali_prop65_whtlabel | False |
| countryOfOrigin | US |
| height | 0.7 |
| jsonUrlData | 924526ffbdad25e5923b |
| length | 1.5 |
| moq | 1 |
| MPN | EX-503-B |
| multiple | 1 |
| qtyInStock | 0 |
| qtyInStockOverride | Drop Ship |
| SKU | G0900229 |
| tierMinQty1 | 1 |
| tierPrice1 | 17.79 |
| url | https://www.zoro.com/apex-apex-extension-38-female-square-ex-503-b/i/G0900229/ |
| width | 0.7 |
| Output Drive Size | 3/8" F x 1/2" M |
| SAE or Metric | SAE |
| Item | Adapter |
| Output Drive Type | Square |
| Number of Points | 4, 4 |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Zoro | G0900229 | 17.79 | 1 | None | 1 |
| Amazon | B002M92OLU | 17.78 | 1 | None | 1 |
| Pemro | APX-2460 | 21.82 | 1 | None | 1 |
| simsupply.com | ZO-G0900229 | 35.42 | 1 | None | 1 |
| motionindustries.com | 01614897 | 38.21 | 1 | None | 1 |
| turtle.com | CPG EX-503-B |  |  | None | 1 |
| Newark | 63J9114 | 36.05 | 1 | None | 1 |
| bhid.com | APEX EX-503-B |  |  | None | 1 |
| imsbolt.com | EX-503-B | 28.45 | 1 | None | 1 |

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Structured data: `/python/html6/product/500/61000000/61324500/part_--EX503B---Apex--8d07d3b298.json`  
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