Pack of 10 3/4" Imperial Brass Olive (Known as Copper/Imperial Compression Olives/Imperial Also Available in 8mm, 10mm, 12mm, 15mm, 22mm, 28mm, 35mm, 42mm, 54mm, 3/4 inch)

This listing is for a Pack of 10 Imperial plumbing pipe is measured using internal bore diameter which means that the actual diameter of this 3/4 inch imperial olive is 21.8mm or 0.856 inches This olive is made from brass which, whilst harder than their copper equivalent, can give greater mechanical strength by biting into the pipework through greater tightening force, the copper alternative to this brass olive but can offer easier sealing capability due to them being softer but offer less mechanical strength Brass olives are ideal to use on chrome pipe as they bite into the hard chrome surface with greater force The use of PTFE tape is not necessary as the olive forms the seal and not the thread. The use of PTFE on the thread can restrict the ability of the olive to form a seal, Manufacturer: Navigator