Adjustable Picture Rail Hanging System with Side Screw Hook , 6.6 ft (2 m) Invisible Clear Wire Loop, 66 lb (30 kg) Max Load, White Molding Hooks Kit Frame Displaying Hanger(Transparent, 10 Pack) Specification: Rail hook, Material: iron Color: white Coating: nickel plating Suitable wire: 0.04-0.08 in (1-2 mm) Adjustable side screw picture hooks, Material: Zinc alloy with nickel plated Suitable wire: 0.06-0.08 in (1.5-2 mm) Clear plastic cable wire, Material: plastic Color: transparent Length: 6.6 ft (2 m) Diameter: 0.06 in (1.5 mm) Max load capacity: 66 lb (30 kg) Packing list: 10 x 6.6 ft (2 m) invisible plastic wire cable 10x rail hook 10 x adjustable side screw picture hook