The 3/8", round-eye swivel hook is great for small, 1/8" round cords or 3/8" flat straps. You can use this item as an attachment to a lanyard and as a key holder.
1/2 Round Eye Big Swivel Hooks: For Round Cords or Flat Straps
Hardware Essentials 321494 1-1/4 x 4-3/4 in. Bolt Snap with Round Swivel Eye in Solid Brass (10-Pack)
Everbilt 5/8 in. x 3-1/8 in. Nickel-Plated Swivel Bolt Snap (2-Pack) 44004 - The Home Depot
Small Order: Steel Spring Hooks: 1 5/8
Kinedyne 4 x 30' K-FORCE Flat Hook Winch Strap
Brass (rope) snap with round swivel eye for round leather or rope attachment. Does not rust and is extremely resistant to frost, wind and salt. This
Brass snap hook 45 mm
Single Cap Rivet 'Nickel Plated' 12 mm
Solid Brass Eye Bolt Scissor Snap Square Eye Swivel Trigger Hook Clip Lobster Clasp Bag Purse Strap Dog Leash Key Fob Rein Dive Leathercraft
Hook, Pewag Industrial Hooks
Everbilt 0.25 in. Galvanized Eye and Eye Swivel 44094 - The Home Depot
PCC Bolt-on Galvanized J Rope Hook - #RH-J-FLAT
Change Hardware: customize the leash snap on your leash order - Bold Lead Designs
Heavy bolt snap hook, zinc die cast, chrome plated. This snap can be used for large dog breeds and horse leads.
Heavy bolt snap 100 mm/28 - chrome plated