







🔩 One tool, two sizes, endless professional edge.
The Klein Tools 2-in-1 Impact Socket (66004) combines two essential hex socket sizes—3/4" and 9/16"—into a single, deep 1/2" drive tool. Featuring a 6-point high-torque design and hands-free coaxial spring-loaded adjustment, it delivers precision, durability, and efficiency for professional-grade pole hardware installation and removal. Engineered with premium alloy steel and backed by Klein’s 160+ years of expertise, this socket is built to keep you ahead on every job.






| Manufacturer | KLEIN TOOLS |
| Part number | 66004 |
| Item Weight | 226 g |
| Product Dimensions | 2.79 x 2.79 x 7.92 cm; 226.8 g |
| Item model number | 66004 |
| Color | Multi |
| Style | 6-Point |
| Finish | Unfinished |
| Material | Alloy Steel |
| Shape | round |
| Item Package Quantity | 1 |
| Number Of Pieces | 1 |
| Measurement System | Metric |
| Compatible Fastener Range | 0.5 inch |
| Special Features | Hands-free Adjustment |
| Included components | Tools/Accessories |
| Batteries Included? | No |
| Batteries Required? | No |
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