Expandable hanging brackets for hanging book-style notebook

Expandable hanging brackets for hanging book-style notebook Brackets for partition mounting of Hanging Book-Style Notebook, sold separately. Expand from 1" to 2 1/2". For Use With: Balt Hanging Book-Style Seven-Surface Notebook (BLT-BRT82801); Material(s): Aluminum; Pre-Consumer Recycled Content Percent: 0 %; Post-Consumer Recycled Content Percent: 0 %.