Crafted From Solid Metal Polished Bar.

Can be used in conjunction with ElectraProbes.

Standard 2mm Pin Connection

These are Single Polar Cock or Shaft rings, so you have to use either two rings or one ring and some other Single Polar accessory together.

These Single Metal rings are sold individually in 6 sizes.... These 6 sizes are not included in either of the two Ring Set Kits. EM2120 (5 Smaller Ring Set)..... OR EM2140 (3 Large Ring set)