Superior part number 13-1211A.

Application Guide:

Axle U-Bolt; Square Type; 4 Pack;
1/2 Inch x 2-3/4 Inch x 12-1/4 Inch Square U-Bolts
Thread length 9-3/4 Inch cut to fit
4 per box
Bolt Type: U-Bolt
Diameter (in): 1/2 Inch
Material: Steel
Quantity: 2
Shape: Square
Thread Size: 1/2-20 Inch
Head Type: Hex
Overall Length (in): 12-1/4 Inch
Inside Width (in): 2-3/4 Inch
Thread Length (in): 9-3/4 Inch

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