20mm Hoops > 28 Grams +/- 2%
15mm Hoops (Ring) >>>> 18 Grams +/- 2%
50mm Norm Spacers > 18 Grams +/- 2%
25mm Norm Spacers > 10 Grams +/- 2%
25mm Ring Spacer >>>> 5 Grams +/- 2%
