For those of you who use the Oberst's bases with the altitude rings I have been getting requests on where to obtain the Gaskets to hold everything on the peg.
I sourced some from China at a very cheap price 100 rings plus P&P for £1.52.
They did take three weeks to arrive but are just fine.
You can order through Amazon via
2 X SODIAL(R) Black 7mm x 2mm O Rings Hole Sealing Gasket Washer 50 Pcs
Sold by A Brilliant Planet
Rob.
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