Material: stainless steel, die-cast zinc Surface: satinised, matt nickel-plated KH-2S is a hook with screw cap for more secure installations (especially in high traffic areas). Includes ‘S’ (safety) cap, which prevents unintentional adjustment by manually locking the mechanism. Suitable for cables with a thickness of 1.5mm (1/16‘) and 2mm (5/64’). Selection of cable thickness by weight: 1.5mm (1/16") - 30kg (66lbs) 2mm (5/64") - 50kg (110lbs)