Amazon.com Product Description
The Hitachi Adjustable Flip Stop is designed for use with the Hitachi Miter Saw Stand (#UU610) to provide easily set, repeatable cutting lengths when making multiple cuts. This accessory serves as a convenient measuring guide and stop to get more accurate cutting results when using your miter saw, it is easily adjustable and features a heavy-duty, durable construction. This product is backed by a 5-year limited warranty extended to the original purchaser.
From the Manufacturer
This adjustable flip stop for the UU610 Miter Saw stand is a great addition for doing multiple equal length cuts because it can be used as a measuring guide stop to get equal length cuts.