Plastic draining racks (PVC), largely chemically resistant, breakproof, used in the lab by the thousand and adapted to individual requirements.
The sturdy rods can be inserted in the holes as required and clicked in place. Using a combination of three different lengths of rod (60 mm, 100 mm and 150 mm) the rack can be adapted to take any item. The rods can be removed and repositioned at any time. With a removable draining channel plus a connection for a draining tube (to direct the water into the sink).
Available in 3 different sizes.
Supplied in strong cardboard boxes, complete with peel-off foil to protect from dust and scratching, rods and dowels and wall mounting.

1) Rods only usable together with 100 mm.