... supermarket ,retail store to anti-theft, protect the merchandise Security Hook, display hooks,pegboard hooks,supermarket hooks,gift shop hooks exhibition ... : 8MM/7MM/6MM/5MM/4MM/4.5MM/6.2MM3.Colour: Red, blue, white, black, ect Other details information1. The stop lock ... a magnetic key.4. Make the commodity on the stem hook more safe5.the stoplock are used for security display hooks