From the Manufacturer
The Bosch Router Table Floor Stand RA 1190 converts the RA 1180 benchtop router table into a stationary router table.
Features: Converts RA1180 benchtop router table into a stationary router table * Includes 4 tool-free mounting knobs for attaching & removing benchtop table * Brings RA1180 table height to 38-1/2 – Specifications: Part Number: RA1190, Used on Part No. : RA1180, Used on Model No. : Benchtop Router Table RA1180, Sales Pack Quantity: 1, Weight (Lbs.): 25.