Rubber Seals

Many vintage Kilner jars require separate, rubber sealing rings. Jars with metal lids, such as the new Kilner and the Dual Purpose jars, are typically self-sealing and do not require a separate sealing ring.

Jar Diameter (outer) Diameter (inner) Thickness
Original "Kilner" Jar 2 78" 2 916" 332"
66mm 74mm 2mm
Improved "Kilner" Jar 2 12" 2 14" -
64mm 56mm -
Ravenhead "Red Top" Jar 3 14" 2 916" 232"
82.5mm 72mm 1.8mm


The data, measurements and other information on this website is provided for free with absolutely no assurances that it is correct. I've done my best but please be sensible with it!