Scotch® Indoor Mounting Squares. Holds up to 4 lbs. Count 16. 3M. Indoor mounting squares. Use instead of nails or screws. Works on most indoor surfaces that are clean, dry and smooth. Holds up to 4 lbs. one square holds a quarter pound, four squares hold one pound. All rights reserved. Made in USA with globally sourced materials. Questions or comments Call toll-free 1-800-3M-HELPS. 1-800-494-3552. www.3m.com. 3M, Scotch and the Plaid Design are trademarks of 3M. ©2015, 3M.