LJF
LJF 107478 O-Ring DF851 (FKM) 7.00mm x 1.78mm (Bag of 500)
You will notice the model is Various, which adds to its convenience.
LJF114103 O-Ring 7DF2128 (FKM) 14.00mm x 1.5mm (Bag of 500)
The SNK-P0068PS feels solid when you lift it, which gives you confidence.