Description: The item is made of stainless steel. It comes complete with a padlock and is available in a choice of 3 ring sizes(40mm, 45mm, 50mm), so you can find the perfect fit. The cage once fitted connects to the solid steel ring. The cage and ring are locked together with the included padlock. Once the padlock is locked there really is no escape (unless you have the key)
Features: Inside diameter of the cage: about 36mm. Inside diameter of the ring: 40mm / 45mm / 50mm (for your choice). The bolt of the Ring and cage will not rotational. Because the bolt is square.