Exterior Circlips DIN 471 13 mm - 40 Circles : Amazon.co.uk: DIY & Tools
Retaining Ring for Shaft, 30mm Dia, PK50: Amazon.com: Industrial & Scientific
200pcs) DIN 471 M20X1.2 Retaining Rings for Shafts Stainless Steel, Ships Free in USA by Aspen Fasteners, ASSP0471220: Amazon.com: Industrial & Scientific