Thomas & Betts, RA853 Yes Ring Terminal

The ABB RA853 are nylon insulated large ring terminal. Self-insulated with high dielectric-strength nylon sleeves. An inner bronze insulation grip sleeve lengthens the flexing radius of the conductor and eliminates conductor creep. The wire range is 22-16 AWG. The length 0.86 inch, width 0.26 inch, maximum insulation 0.136 in.

Bolt hole size 6
Material is tin plated copper with red insulation