What sign thickness do these hold

metal fixtures

1 set assembly hardware

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Pegboard Super Grip Sign Holders-Aisle Invaders-10 pieces floral department What sign thickness do theseThese invader sign holders add aisle signage to standard retail pegboard. Sign holder has super grip teeth for superior hold. Pegboard Super Grip Sign Holder Aisle Invaders Adds aisle signage to standard retail pegboards. Sign holder has super grip for superior hold. Fits most standard retail pegboard and can be re positioned. Holds material up to . 100" thick. Has hinge which allows sign to move. 3" L 10 pieces Use two holders to support larger