Description The Heavy Duty Self Locking Captain Hook 30 kg – Security Edition offers added reliability for heavier frames and artwork. This model has been security tested to hold a 30 kg picture using two cables and two hooks—one on the left and one on the right of the frame—so you can trust it for both home and professional displays. It works with steel cables as well as Perlon clear nylon cords, making it suitable for a variety of hanging systems. Whether you prefer the discreet look of Perlon or the strength of steel, this hook supports both 1.5 mm and 2 mm cable options. The hook locks automatically when weight is applied, keeping the frame steady and preventing slipping or movement. It’s a solid choice for galleries, studios, offices, retail displays or any setup where you need dependable support.