This QA1 valve disc kit includes eight replacement discs sized 10 mm inner diameter x 28 mm outer diameter with an approximate thickness of 0.250 mm (about 0.010 in). Intended for valve servicing and rebuild work, the pack supplies correct-dimension discs to restore valve operation, and QA1 provides parts support and technical assistance for installation.
QA1 Valve Disc Kit - 1.100in OD x .010in Thick - 8 Pack