The tolerance is very close, and not sloppy.
Fits 2’’ Olympic Bar, Barbell Rod hole internal diameter: 2.05 inches.
Fits 1’’ Standard bar, Barbell Rod hole internal diameter: 1.05 inches.
Ergonomic multiple grip design with rubber sleeves on the handles, not a thick soft sponge padded. You can also remove the sleeves and use the steel grips directly for the workouts.
Solid steel body with strengthened welding, The barbell handle weighs about 10-12 lbs. Safe range of weight capacity up to 200 lbs.