I have approx. 35 to 30 of these. Heavy-gauge steel and feature a foot-operated control lever that raises and lowers the base for easy movement and positioning. Use with: XL-10 10-inch table saw; 34-670 10-inch table saw; 36-600 10-inch table saw; on open-type, four leg stand only. Durable, heavy-gauge steel. Designed for the Delta XL-10 and 34-670 table saws. Measures 26-1/4 x 28-1/2 inches.