This auction is for Wago 3 Conductor Double-Deck Ground Terminal Blocks, part number 870-537.  There are 20 pieces available. You can buy as few or as many as you want.  They are Green/Yellow and rated for 28-14 AWG wire.

Information from the Wago website: 3-conductor, double-deck terminal block; 6-conductor ground terminal block; PE; green-yellow housing; internal commoning

Shipping charge will be $9.45 for USPS Small Fixed price box.  I estimate that I can fit 20 of these blocks into the box for one shipping charge.  International Shipping available only through eBay's Global Shipping Service.

Item is brand new, but it has been in our inventory for a long time and the manufacturers warranty has expired.  Check-out this item when you get it if you can.  If you find something wrong with it, you can return it for full credit within 30 days.  Buyer agrees to send payment within 7 days.