This one has a taper edge for the o-ring and a v-bottom where the seat contacts.
1.1 euro min order 10
This seat has a different thread pitch and is not as wide as a standard seat.
This is a Spring Nut or stem nut. The Nut is used to hold the handwheel on the stem. This nut fits 99 percent of the valves out there.
0.5 euro min order 10
This is your standard handwheel spring. This spring fits 99 percent of the valves out there.
Medium Teflon Ring
This is a Medium Teflon ring. There are three different sizes. If you want to use Teflon rings only then you use the thick Teflon ring inside the bonnet nut and the thin on the valve stem. If you prefer the Teflon ring and o-ring version you use the medium Teflon ring and an o-ring.
This is the washer that goes underneath the handwheel on valves. This washer is made in the USA by Sherwood. It will work on all valves.