Bolt-on or weld-on powder coated jack provides 14-1/4 inch screw of total travel. Measures 21-1/2 Inch height & 9 inch clearance. A-frame jacks come with a mounting bracket for easy bolt-on or weld-on mounting through A-frame mounted couplers. Steel jack extends 25 inch below triangular bracket & retracts to 10-3/4 inch.