Rapid Shaft Locking Rings 3mm Pack 20

Starlock-Shaft-Locking-Rings-Rapid-KS3-p-Clamping-washers-for-axles-without-a-groove-ideal-for-keeping-wheels-on-3mm-shafts-p-Rapid-Shaft-Locking-Rings-3mm-Pack-20

Price: 1.99 from Rapid Online Rapid Electronics Ltd.