This steering column clamp (aka steering stem clamp or bushings) has an inner diameter of 33mm and is most commonly used for (but not limited to) 50cc, 70cc, 90cc, 110cc and 125cc kids ATV's for such brands as Tao Tao, Zstar, Ulike, Roketa and dozens of others.
Approximate dimensions:
Total Length: 75.5mm
Total Width: 43.1mm
Thickness: 29.5mm
Handlebar Hole: 33.7mm
Mounting Holes: 14.5mm
Mounting Hole Spacing: 50mm (centre to centre)