Vinyl Rng 22-18 8 Stud (25 EA)
NSI R4-14 Bare Rng 4 1/4 IN Stud (15 EA)
https://nsiindustries.com/product/non-insulated-ring-terminal-for-1-4-stud-and-4-awg/
Tin-plated Copper Bare Ring Terminal for wire termination in applications with 1/4″ Stud and 4 AWG
NSI R4-14N 4 Awg Nylon Insulated Ring 1/4IN Stud, 15 Per Pack
https://nsiindustries.com/product/4-nylon-ring-1-4-stud-15-per-pack/
Nylon Rng 4 1/4 Stud (15 EA)
Bare Rng 4 3/8″ Stud (15 EA)
NSI R4-38N Nylon Rng 4 3/8 IN Stud (15 EA)
https://nsiindustries.com/product/4-nylon-ring-3-8-stud-15-per-pack/
Nylon Rng 4 3/8″ Stud (15 EA)
#6 Bare Ring 1/2 Stud
Vinyl Rng 22-18 10 Stud (25 EA)
NSI R4-50N Nylon Rng 4 1/2 IN Stud (15 EA)
https://nsiindustries.com/product/4-nylon-ring-1-2-stud-15-per-pack/
Nylon Rng 4 1/2″ Stud (15 EA)
Bare Rng 4 5/16″ Stud (15 EA)
NSI R4-56N Nylon Rng 4 5/16 IN Stud (15 EA)
https://nsiindustries.com/product/4-nylon-ring-5-16-stud-15-per-pack/
Nylon Rng 4 5/16″ Stud (15 EA)