If you use a Shopsmith or a router arm, you may need these items.
I have the following:
1. The Shopsmith wooden router arm tabletop. It measures 29 1/4" x 17 3/4" and is in EXCELLENT condition.
Price: $40
2. The Shopsmith Router Arm Owner's Manual
Price: $5
3. The Wordsmith Bench Top Router Table manual with complete plans and step-by-step directions.
Price: $5