These bases come with a brass insert that attaches to the Omni-Stand pegs. They are 40mm clear acrylic squares.
Price: $1.14 without Arcs or $1.64 with Arcs
Quantity Discounts:

5 - 14 @ 10% off
15 or more @ %20 off

Options:

Without Firing Arcs $1.14 With Firing Arcs $1.64

Quantity: