These extra smooth, extra strong stainless steel rig rings from Drennan are ideal for all carp, pike and specialist rigs.
They are available in 4 sizes and strengths.

Micro 25lb (2.5mm)
Mini 30lb (3.6mm)
Small 30lb (4.2mm)
Medium 40lb (4.9mm)

Supplied in packs of 4 of 1 size or 1 of each size.