Milwaukee Tools®
SHOCKWAVE Lineman’s 3-in-1 Distribution Utility Socket

Hi-Line Part-Number: MI49-66-5101


  • Provides more secure, efficient fastening in all fastening environments and orientations
  • 3 in 1 square design for single sided fastening, eliminating the drop hazard of removing the socket from the adapter to change sizes
  • Push and twist barrel lock allows for secure, one-handed size changes, even while wearing gloves
  • Interior debris shield that resists interior rust and corrosion from dirt, wood chips and moisture from the job site
  • Socket features a 1/2'' square drive
  • For use with 3/4'', 1'' and 1-1/8'' square nuts
  • For use with 1/2'', 5/8'' and 3/4'' square headed machine bolts
  • 7/16" Hex to 1/2'' square adapter for use with 7/16'' quick connect chucks
  • Length: 6.75


  • (1) SHOCKWAVE™ Lineman's 3-in-1 Distribution Utility Socket and (1) 7/16'' Hex to 1/2'' square adapter

List Price: Call for Pricing

California Proposition 65

PVC-coated Products; PVC-coated Wires and Cables

WARNING: This product can expose you to chemicals including DINP and/or DEHP, which are known to the state of California to cause cancer and birth defects or other reproductive harm. For more information go to or our information page: California Proposition 65.