Seven sizes of replacement u-rings for use on all CB-X® chastity devices. A CB-X complete kit includes u-ring sizes #1-5. Available in clear, black, or pink the #4 u-ring has an inner diameter measurement of 1.63 inches.
Includes:
One #4 u-ring
Measurements(inner diameter):
#4 - 1⅝ inches (41.3mm)
If you need a u-ring that's larger than the #1 (2") supplied in your chastity kit, then check out the Large and X-large u-rings - available in individually or a 2-pack (1 x Large, 1x X-large).
