Electric Drill operations: Converts manual trailer Jacking operations into quick and easy drill powered lifting, best paired with low speed, drills for efficient and safe Heavy Duty Design: Features a reinforced construction without welded joints or weak points, built to handle demanding trailer lifting tasks with maximums strength and reliability Precisions 1Inch Shaft Compatibility: Designed to fit 1 inch Jacking drive shafts (26mm) securely, providing stable connection with most standard trailer Jacking Perfect for Jacking with 10k 12k load capacity Premium Stainless Steel Construction: Made from stainless steel for rust and resistance, ensuring long lasting durability in outdoor conditions Ideal for trailer Jacking and heavy duty applications Double Purpose emergencies Backup: Unique design allows manual operations with an adjustable wrench or 1 / 2inch ratchets, ensuring readiness for car repairs, outdoor trailers, and emergencies, Manufacturer: TFAOYS