Klein Tools 66040 2-in-1 Impact Socket Set, 1/2 in. Drive, 12-Point Deep, 5 Pieces
The Klein Tools 66040 is a five-piece impact set for electrical and construction work with impact wrenches and drivers: four deep 12-point 2-in-1 sockets and a drive adapter. Each socket holds two sizes on one end, giving eight SAE sizes from 3/8 to 7/8 in., and the set comes in a case.
Highlights
- The smaller inner socket is spring-loaded: a larger nut pushes it back, and a smaller nut seats in it without switching sockets.
- The 12-point openings grip square nuts as well as standard hex fasteners.
- The 1/4 in. hex to 1/2 in. square adapter lets an impact driver run the sockets.
- A cross hole locks the adapter and socket together so they come off the fastener as one piece.
- Color bands mark each socket's size pair, so the right one is quick to find in the case.
- Made of 4140 steel and built to ASME B107.2 for impact use.
Shipping
We ship to all 50 U.S. states and Washington, D.C., with free standard shipping on all orders within the United States. We do not ship to U.S. territories or to APO/FPO/DPO addresses. Orders are processed within 0–1 business day, and standard transit after shipment takes 3–4 business days for most U.S. addresses. You get a tracking link by email once the order ships. Shipping policy
Returns
You can request a return within 30 days of the delivery date. Items must be unused, in the same condition as received, in the original packaging with all accessories and documentation. Return shipping is free: we email a prepaid return label that you download and print. Refunds go to the original payment method within 7 business days after the item arrives and is inspected. We do not charge restocking fees. Return and refund policy
Warranty
Products may be covered by the manufacturer's warranty, depending on the brand and product. Coverage and claim steps are set by the manufacturer: see Warranty information for brand warranty contacts. Your order confirmation email is your receipt. If you lose it, contact us and we will resend it.
Specifications
| Model | 66040 |
|---|---|
| Drive | 1/2 in. square |
| Sizes | 7/8 × 11/16, 3/4 × 9/16, 5/8 × 7/16, 1/2 × 3/8 in. |
| Points | 12 |
| Depth | Deep |
| Adapter | 1/4 in. hex to 1/2 in. square |
| Material | 4140 steel |
| Standard | ASME B107.2 |
| Pieces | 5 |
| Dimensions | 5.5 × 1.9 × 4.7 in. (case) |
| Weight | 2.3 lb (1 kg), set with case |
In the box
- 4 × 2-in-1 impact sockets
- 1/4 in. hex to 1/2 in. square adapter
- Carrying case
Documents
Video
Klein Tools 2-in-1 impact socket sets (66040)Manufacturer's video on YouTube
More in Electrical, Test & Labeling
