Accessories › Swivel Screw Jack Image 1 of 1 Swivel Screw Jack $0.00 Leveling screw jack with a 24” long, 1-3/8” dia. stem, and a swiveling 5” x 5” baseplate; used on inclined surfaces; 12.0 lb Add To Cart Added! Leveling screw jack with a 24” long, 1-3/8” dia. stem, and a swiveling 5” x 5” baseplate; used on inclined surfaces; 12.0 lb