[14mm]
[12mm]
[10mm]
A pack of 20pcs oil crush wahser is valueble for do it yourself engine service and maintenance.
Comes with a sealing tape in case a worn oil plugs brings unexpected troubles.
The crush washers are in OEM standard for small engine makers.
However please note they are aftermarket replacement parts, not original product.
Changing oil crush wahser each time when changing the oil is advised by most mechanicians.