The extender frame adds 1/8" (3mm) or 3/16" (4.5mm) to your standard Sweet Stencil Holder to accommodate a thicker cookie.
This is recommended if you roll thicker than 3/8".
Sweet Stencil Holder sold separately and required to use the extender frame.
Instructions:
To add 1/8" to stencil height, remove top frame from Sweet Stencil holder and attach the 1/8” Extender frame. Place stencil on top of Extender frame and attach the top frame of the holder to secure stencil.