3-Ring Letter Size Binder Mechanisms

With 3-ring letter size binder mechanisms, you can quickly and conveniently bind standard letter size pages that measure 8.5 inches wide and 11 inches tall. Although that is the traditional size used, there really isn't a width limitation, since these are loose binding spines that don't limit you in that way. The spacing of the rings is standard for 3-hole punches, measuring 4-1/4 inches between the rings for easy compatibility. Use ring binder spines as a way to securely bind loose, hole-punched pages, or as a unique way to create swatch books and custom ring binders. You can pair with our binder rivets and rivet setter tool to bind the ring binder hardware onto a custom chip board sheet.

You can choose from metal mechanisms, which are the most popular, in several colors, including silver, black, or brass. The ring sizes range from 1/2 inch up to 4 inches, and may be available in both round and slant-d ring styles. These mechanisms have boosters, sometimes called "ears", that assist with opening the rings, and protect the ring clasp integrity. We also offer plastic letter size ring binder parts that have 1 inch round rings and are available in blue, black, gray, or off-white colors. Simply choose the mechanism style or color you want from below to see the options and get your quality ring binder spines for binding all kinds of applications.

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3-Ring Letter Size
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