Steel Wheel Bushing 1/2 X 5/8 X 3-1/4
1/2" (12.70 mm) ID X 5/8" (15.88 mm) OD Sleeve, 3-1/4" (82.55 mm) Length.

Dimensions:
ID: 1/2"
OD: 5/8"
HEIGHT: 3-1/4"