Ring terminals are used to attach wires to studs or posts, and come in a variety of types and sizes.

Items
Ring Terminal Non Insulated

2 AWG Ring Terminal (1/4 Stud) Non-Insulated Bare Butted Seam
Price $56.99

1109-50621N

2 AWG Ring Terminal (1/4 Stud) Nylon Insulated
Price $60.05

Ring Terminal Non Insulated

2 AWG Ring Terminal (5/16 Stud) Non-Insulated Bare Butted Seam
Price $56.99

1109-50621N

2 AWG Ring Terminal (5/16 Stud) Nylon Insulated
Price $60.05

Ring Terminal Non Insulated

2 AWG Ring Terminal (3/8 Stud) Non-Insulated Bare Butted Seam
Price $56.99
Wire Size N/A 2
Stud Size N/A 1/4 N/A 1/4 N/A 5/16 N/A 5/16 N/A 3/8
Color N/A Non-Insulated N/A Yellow N/A Non-Insulated N/A Yellow N/A Non-Insulated
Style N/A Bare Butted Seam N/A Butted Seam N/A Bare Butted Seam N/A Butted Seam N/A Bare Butted Seam
Insulation N/A Non-Insulated N/A Nylon N/A Non-Insulated N/A Nylon N/A Non-Insulated