The Fingertip Design 3.5 kg Superior Magnetic Catch Nickel Plated has a 3.5 kg pull and would usually be used in a specialist situation where doors need to be easier to open, for example with elderley people or very young children. Nickel Plated Finish The superior metal magnetic catch is made from steel and has a nickel plated finish. It comes complete with 4 fixing screws in the same plated finish. 3.5 kg Magnetic Pull Magnetic catches are commonly rated in Kilogram pull and they tend too range from 3 Kg up to 6 Kg. This metallic catch is for much smaller doors where less force...