12 WG to 10 WG x 5/16" Heat Shrink Ring Terminals (6 pcs.)

Diameter: 5/16"
Material: Metal/Plastic
Head Style: Ring
Nominal Size: 5/16 Ring
Style: Heat Shrink
Type: Ring Terminal
Wire Size: 12-10 gauge
Wire Size: 12-10

Box of 6.

An electrical connector that makes electrical contact when a bolt or screw is passed through the ring end of it.