Bolt-on or weld-on powder coated jack provides 14-7/8 inch screw of total travel. Measures 22-1/4 Inch height & 8-1/2 inch clearance. A-frame steel jacks come with a mounting bracket for easy bolt-on or weld-on mounting through A-frame mounted couplers. Extends 23-1/4 inch below triangular bracket & retracts to 8-1/2 inch.