Look better and last longer in our Cock Ring With Interchangeable O-Ring. Manufactured from medical-grade and nickel-free stainless steel, this multi-function donut-style cock ring slips over your cock and balls and features a sturdy yet movable O-ring mounted on a knocker post. The O-ring supports attachments to leashes, restraints, weights or BDSM furniture by chain or rope: your imagination knows no limits.

• Materials: Stainless steel (medical-grade, nickel-free, hypoallergenic)
  
• Dimensions: Cock ring diameter is 1.875 inner diameter x 0.5 inches tall x 0.25 inches thick; O-ring is 1.25 inches diameter
  
• Weight: 3.70 ounces