Japanese Heavy-Duty Reusable Zip Close Plastic Bags- 3-1/4" x 2-1/4" Otto Frei Set screw type design for

Set screw type design for secure fit in compatible handles

GRS dovetail-type mounting plate is sold separately and is not included with this unit

A rubber non-slip bottom combined with the tray's substantial weight keeps it firmly in position during use

sequential project-based learning structure

Japanese Heavy-Duty Reusable Zip Close Plastic Bags- 3-1/4" x 2-1/4" Otto Frei Set screw type design forThe jewelry industry relies heavily on flimsy, low quality zip lock bags to protect valuable pieces but your craftsmanship deserves better. These Japanese heavy duty reusable zip close plastic bags are built to a significantly higher standard than typical zip lock bags, offering professional grade protection for rings, larger stones, and other jewelry items. Unlike conventional zip lock bags that tear or wear out after minimal use, these heavy duty