33mm external diameter, 25 mm Internal diameter with 16 mm hole  – all measurements approximate due to material used

Price includes GST and is freight free within North Island and South Island of New Zealand

B1 Piston pump will require 2 of these in the plunger assembly.

1 1/4 inch Leather cup with 5/8th hole.

33.5mm external diameter, 25mm internal diameter with 8mm hole – all measurements approximate due to material used