Hillman 0.5-in Black External Retaining Ring (2-Pack) in the

Everbilt 5/16 in. Zinc-Plated Ring Cotter 807518 - The Home Depot

Hillman 7/8 in. Internal Retaining Ring (10-Pack) 881380 - The

1-3/4 External Retaining Ring (5 Pieces): : Industrial

Hillman 3/16-in x 3-ft Plain Cold Rolled Steel Weldable Solid

Hillman 0.4375-in Black External Retaining Ring (2-Pack) in the

Hillman M3 Stainless Steel Split Lock Washer (50-Pack) 45353 - The

Hillman 7/8 in. Internal Retaining Ring (10-Pack) 881380 - The

Hillman 0.593-in Gray Hair Pin Clip Pin/Clip (4-Pack) in the

Hillman 5/8 in. E-Clip (10-Pack) 881400 - The Home Depot

Hillman 0.5-in Black E-ring (2-Pack) in the Specialty Fasteners