The best time to ring a bull is when it is about 7 - 10 months old using a small ring. Change to a medium about 18 months then to a large at 30 months.
Bull rings should not be reused.
These self piercing stainless steel rings last longer than copper especially on hard ground. Thumbscrew type locking pin broken off when tight reveals cross slot for screw driver.
Available in 9mm thickness and 3 different sizes
Small: 64mm diameter
Medium: 70mm diameter
Large: 76mm diameter
