49.5 mm x 40.5 mm x 7.5 mm. Silicone lubricant is highly recommended.
Suitable for the current lever groups on the market: they are used by Astoria, Brasilia, Bosco, Kees VDW, Londinium, Quickmill et al..
Each piston requires 3 V seals. The V seals are much softer and easier to install than the rubber ones.
Please note that although the gaskets are strong under compression, you should never use a sharp tool like a screwdriver to install them. This may tear the silicone.
WARNING: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov.