Amana tool 57178 Solid Carbide (Brazed to Steel Shank) Spiral Flush Trim Compression 7/8 D x 1-1/8 CH x 1/2 Inch SHK w/ Upper and Lower Bal Bearing Router Bit

Solid Carbide (Brazed to Steel Shank) • 2 Flute with Upper and Lower Ball Bearing Router Bits Used for trimming laminate work or for template and pattern work. For template application, the bearing follows the template, while the cutting edge trims the workpiece. With the router handheld, the template is on the bottom of the work. With table-mounted router, the template is on top.  Industrial quality flush trim compression router bits.  Replacement Lock Ring use #47739