12 inch long extension crank made from high strength alloy steel, providing excellent leverage and reach for hard-to-reach areas in your caravan or motorhome. 19 mm socket design delivers stability and precision when tightening bolts and nuts; compatible with 19 mm sockets for fast, accurate work. Versatile for RV maintenance and routine engine tasks; designed to work with cranks for electric drills to transform maintenance speed and efficiency. For professional mechanics and RV enthusiasts alike, simplifies securing stabilizers and is an essential addition to portable repair kits on the go. Use scenarios: - Replacing spark plugs in the engine or performing routine RV maintenance in cramped engine bays. - Tightening stabilizer bolts on your RV at a campsite or while traveling to ensure a secure setup. - Reaching and fastening hard-to-reach fasteners in a caravan or motorhome during general maintenance.