1. Protect products on wire hook. 2. Colors: red, white, black, blue or customized. 3 Sizes: 4mm, 6mm, 7mm, 8mm. -- Protect products on wire hook.-- A simple magnet key gains access by the staff.-- 4 sizes for choose, 4mm, 6mm, 7mm, 8mm.-- Can print customer logo on stop lock.-- Except the standard colors, can custom make as customer asked colors. security display hook stop lock