Frelan Hardware Security Chain, Satin Chrome 
Heritage Brass Kensington Mortice Door Knobs, Polished Brass - (Sold In Pairs) 
Euro Profile Locks & Cylinders
Eurospec Mp5 Oval Profile British Standard 5 Pin Single Cylinders, (Various Sizes) Silver
Price range: £5.79 through £6.47
This product has multiple variants. The options may be chosen on the product page
45mm (Economy), Silver Finish