Caleb Components offers both External & Internal Imperial Circlips (N1400 & N1300 ranges).
These types of circlips are also available to purchase as assorted kits.
Why not check out the full range here!
N1400 External Circlips Carbon Steel – https://springfasteners.co.uk/product-category/fixings-and-fasteners/circlips/imperial-circlips-external-n1400/
N1400 External Circlip Assorted Kit – https://springfasteners.co.uk/product/external-circlip-kit-imperial-qty-1-box/
N1300 Internal Circlips Carbon Steel – https://springfasteners.co.uk/product-category/fixings-and-fasteners/circlips/imperial-circlips-internal-n1300/
N1300 Internal Circlip Assorted Kit – https://springfasteners.co.uk/product/internal-circlip-kit-imperial-qty-1-box/