Delta brand Mobile Base was designed for Delta Table Saws but can be used for other applications that fit the frame, which includes most brands of table saws. The frame is aluminum, weighs 19 lbs., and the inside dimensions are 28" x 22" x 3". Load capacity is 300lbs.
The base features three wheels with a foot lever to lower the third wheel for moving or raise it for stationary use.
Base is in good condition and sells new for $125. Local pick up only, no shipping.