The Single Ended Impact Socket wrench from Klein Tools features three square socket sizes: 3/4-Inch, 1-Inch and 1-1/8-Inch on one side of the tool. No need to keep flipping the tool looking for the size you need. Having all three sizes on one side saves time, reduces drops and prevents loss of the adapter.Features Includes a 7/16-Inch hex quick-change adapter Hollow shaft allows use on long threaded bolts Reduces risk of dropping Impact socket has three sizes: 3/4-Inch, 1-Inch and 1-1/8-Inch all on same tool Impact Socket with three square socket sizes: 3/4-Inch, 1-Inch and 1-1/8-Inch on same end of tool Three sizes in one socket saves time Made in USA Extend or retract the head for easy access to the size you need Replacement adapter is available (NRHDA3) WarningsAlways wear approved eye protection. Socket Size: Up to 1-1/8 in (28.6 mm) Square Drive Size: 7/16 in Adapter Size: 7/16 in hex quick-change Overall Length: 10 in (25.4 cm) Depth: 10.08 in Width: 2.43 in Height: 2.07 in Weight: 1.98 lbs Number of Points: 4 Shaft Type: Hollow shaft Socket Type: Single-Ended Impact Socket Country of Origin: USA DownloadsSpec Sheet