1/2 Inch Drive Extension Sets
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- Knurled band provides grip for starting or turning loosened fasteners with fingertips
- Polished, chrome-plated finish easily wipes clean and is highly resistant to corrosion
- Beveled drive end helps guide extension smoothly onto drive tool
- Four detent grooves offer a secure connection with the drive tool
- Radiused corners inside the drive avoid stress concentrations that can cause cracking
- Spring-loaded retaining ball latches into sockets and holds them securely in place