Shoof own-brand self-piercing brass bull rings. Thumb-screw type locking pin, broken off when tight, revealing screw-driver slot. Dimensions are o.d. in mm. NB: Brass rings are harder wearing than copper...
Shoof own-brand self-piercing brass bull rings. Thumb-screw type locking pin, broken off when tight, revealing screw-driver slot. Dimensions are o.d. in mm. NB: Brass rings are harder wearing than copper rings.