Amazon.com: triple Square Socket Set, 3/4in Axle Nut Socket Set Square Metal Sliver Anticorrosion M18 Spline Bit Socket 20mm for Vehicles for Car : Automotive
Apex 5632 1/2 standard, single square socket for square nuts #1 - Flexible Industrial Supply
8 Point Socket - 3/8" Drive
1/2 Inch Standard Socket, For Single Square Nuts, 1/2 Inch Square Drive - Haggard & Stocking