I'm not talking about a box of washers you buy, but a box the store has in the stock room with a wide selection of sizes they can select your requirements from, as Tom says - they are copper and they have slight grooves on them
"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir "When we tug a single thing on an old truck, we find it falls off" ~ me Some TF series details & TF heater pics
