Klein Tool Lineman Single Ended Impact Socket Wrench #NRHD3Product Description The Single Ended Impact Socket wrench from Klein Tools features three square socket sizes: 3 4'', 1'' and 1 1 8'' 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. Klein Tool Model No. NRHD3 Three square socket sizes: , 1 and 1 1 8 on same end of tool Extend or retract the head for easy access to