FOR SALE: CRYSTAL OVENS QTY 2 - COMCO Octal OCTAL plug-in type crystal ovens. These are made to hold TWO hc6u crystals, and include retakner hardware 12 Volt operation. QTY 2 available for $3.00 each Shipping additional I have some other crystal ovens here somewhere. Will hunt for them if anyone is interested. 73 - Bry, AF4K