A7 & B7 spring, spindle and diaphragm

A7 / B7 spares service kit. To fix leaking A7 and B7 valves. The kit contains all the valve components to stop internal valve leakage of the A7 and the B7 inflation valves that are commonly fitted to Rigid inflatables. This kit includes spring, spindle and diaphragm. Along with some instructions to guide you through the procedure.