Size:
Metric Size M10-1.50×25mm
Imperial Size 5/16-18×25mm;
American Size 1/2-13×25mm;
3inch size of casters:
Length of the caster: 90mm/3.54;
Total height of the caster: 120mm/4.7;
Installation height of the caster: 95mm/3.74;
Width of the caster: 65mm/2.56;
Wheel diameter: 75mm/2.95;
Wheel width: 26mm/1.0;