Debelina obroča: 1.2 cm / 0‚5 in. Velikost 60: premer 19.1 mm / 0‚8 in. Velikost 62: premer 19.7 mm / 0‚8 in. Velikost 64: premer 20.4 mm / 0‚8 in. Velikost 66: premer 21 mm / 0‚8 in.
Debelina obroča: 1.2 cm / 0‚5 in. Velikost 60: premer 19.1 mm / 0‚8 in. Velikost 62: premer 19.7 mm / 0‚8 in. Velikost 64: premer 20.4 mm / 0‚8 in. Velikost 66: premer 21 mm / 0‚8 in.