Use to securely support corrugated shelves within displays. The vertical style is for light to medium weight applications and the horizontal style is for heavier applications. The Vertical style has side holes for glue seep through and the horizontal style has tapered teeth that bite into corrugated.· Fits up to 1/8" (B-Flute) corrugated· Natural polypropylene material· Packaged 50 per bag Website:http://www.bestpakgroup.com