The new, innovative ring design of the BON4M Stainless Steel Locking Cock Cage Chastity with 4 Cock Ring Sizes consists of two interlocking pieces that seat into each other. Several ring and pin sizes allow for the perfect fit.
A hinged cock ring is the starting point. Insert your choice of locking pin length and place it on behind the balls. That locking pin goes through the middle recessed hole on the base cock ring. The new flat design of the cock rings is extremely comfortable. The rings are included in this kit in 4 sizes (measured by inside diameter): 1.5", 1 3/4", 1 7/8", and 2" inside diameter.
The cage is slipped on over the penis next. The two guide pins attached to the cage portion seat into the base ring and assure the cage won't be able to rotate on the locking pin. The cage length is 2 1/2" in length with an inner diameter of 1 1/4".
The diameter of the ball ring have 3 Size:
40 mm/1.6 inch (S)
44 mm/1.7 inch (M)
48 mm/1.9 inch (L)
52 mm/2.0 inch (L)