The closers that people use to finish twin loop wire binding are called twin loop wire closers, and it is astounding just how many there are to choose from. By closing a crescent shaped twin loop, the wire spines into the round binding elements. It is important to choose twin loop wire closers that are of a high quality in order to have a durable bound document that will stand the test of time. There are certain features to look for in the best wire closers:
Adjustment Knobs – High quality twin loop wire closers should have dual adjustments to ensure that the wires are closed in identical proportions on either sides of the closer. Products such as the GBC MC12, Tamerica Durawire 450 and the Rhino HC8000 wire closers are all able to do this. The knobs on these twin loop wire closers should be easily adjustable, and the actual closer should be obviously marked to make different sizes of wire easy to configure.
Construction – The construction might just be the most important feature to look for when choosing twin loop wire closers. They should be solid metal construction and easy to operate. Poorly constructed twin loop wire closers often close the wire unevenly over time, which will reduce the quality of booklets and bound documents.
Length – The length of the books that are being bound is another important feature to consider when choosing twin loop wire closers. They are generally available in lengths ranging from 12”, like the GBC MC12, up to 24”, like the Rhin-O-Tuff HC8024. A twin loop wire closer should be able to handle the any book sizes that will be bound with the equipment.
Size Compatibility – The size of the documents that are being bound is one of the most important and obvious features to consider when choosing a wire closer. The only wire closer that claims to be able to handle both 3/16” wire and 1/2" wire is the Renz WBS 340. They are also one of the only manufacturers of these two sizes of wire. Binding with these wire sizes, both of which are fairly uncommon, is best left to a Renz machine with the optional module holder. A twin loop wire closer should also be capable of closing both 2:1 and 3:1 pitches.
The majority of twin loop wire binding machines at MyBinding.com should be able to meet any wire binding needs needs. If this is the case, you can make your final decision based on price, brand name and design. These features, however, should only be secondary to the four features listed above.
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