The Black & Decker BDCMTTS Matrix Trim Saw Head Attachment offers powerful performance for most trimming, small edge forming, decorative woodworking and hinge routing applications. This attachment is designed to work with the Matrix Quick Connect System. It comes equipped with a quick-adjust button that allows for fast depth adjustment up to 1", featuring a spindle lock button that interfaces with single-wrench bits. It offers Powerful Performance for use on plywood, paneling and fence board. Presenting variable speeds that deliver precision performance just right for each job, this portable saw is ideal to add to your tool collection.