So are these the same type as the ones on WASD?
The ones from WASD is made of EPDM, they last longer.
I am selling NBR Nitrile Rubber type.
how the hell do you even manage 1 dollar shipping? that is bloody impressive.
Shipping here to anywhere is cheap.
I am shipping them untracked, plus due to them being thin and rather light, and that I am using normal envelopes, $1 is good enough.
Here's how a ton of O-rings looks like.