extension ring

extension ring

or

extension tube

n
(Photography) photog a spacer element that can be fixed between the camera body and the lens to increase the distance between film and lens and allow closer focus than would be possible without it
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Tender are invited for Extension Ring 3 "Poppenbtteler Berg" - Straenzug Ulzburger Landstrae, Poppenbtteler Berg and Continuation to the Landesgrenze.
Extension Ring is milled from one piece of aluminum alloy.
Or look for a new toilet with a bigger base that will cover the tile, and use a flange extension ring.
The low-profile units with universal mounting and two-wire installation are easy to install on a standard electrical box without an extension ring.
Mobile operator Vodafone UK has introduced its Mobile Exchange service for companies wishing to provide their employees with a method of having their personal extension ring through to their mobile phone.
Set phones to ring your current location -- By setting up a "follow me" feature, users can have calls to an extension ring out to any other phone, such as a mobile or even a hotel line.
Contract notice: Extension Ring 3 "Poppenbtteler Berg" - Straenzug Ulzburger Landstrae, Poppenbtteler Berg and continuation to Landesgrenze -.
Next, raise the toilet flange by adding an extension ring or two (Photo 13).
Tenders are invited for Supply of BOWL EXTENSION RING WITH TAPPED HOLES FOR HP 803 BOWL MILLS
We recommend that you use two to three wraps of electrical tape to cover the terminal screws of receptacles and switches when you're installing them inside a metal extension ring (shown) or onto a metal plaster ring.
Tenders are invited for Procurement of Vane wheel segment & Airport Assy along with foot rest plate, Bowl Extension ring (modified) of coal mill, CSTPS, Chandrapur
It's easier to use a plastic or steel extension ring.