MORE PUSH PIN-Gallery Clips Set. Use this for hanging pictures and other decorative items. These corner holders provide an inexpensive, unobtrusive way to sandwich glass, mat, artwork, and backing material. You can frame items up to 26x26 inches with a combined thickness of 3/8 inches. You can frame one 26x26 inch picture with this set. This package contains four metal clips and string. Made in USA.