Usage Tips:Features: 1.STRONG MATERIAL: Scissor jack adapter is made of strong chrome vanadium steel, high strength, impact resistant, wear resistant and durable. 2.APPLICABLE OBJECTS: Car scissor jack adapter is suitable for most of the ring or double hole scissor jacks on the market. 3.TOOLS: 1) 1/2 inch driver, impact drill, ratchet or standard driver slot; 2) 13/16 inch lug wrench, tire iron or socket, or easily add a half inch adapter to any drill bit. 4.EASY TO USE: If you do not have a 1/2 inch hex wrench or impact wrench, it is easy to insert a standard drill bit into a 1/2 inch adapter and use any cordless or corded drill with this tool and one of those difficult shear jacks. 5.FINE CRAFTSMANSHIP: Scissor jack socket drill adapter is professionally manufactured with excellent craftsmanship, unique design, stable performance and high reliability. Specification: Item Type: Scissor Jack Adapter_x000D_ Material: Chrome Vanadium Steel_x000D_ Jack Inside Diameter: 1/2 Inch_x000D_ Jack Outer Diameter: 13/16 Inch_x000D_ Application: for Ring Or Double Hole Scissor Jacks_x000D_ Size: _x000D_ Jack Adapter: Approx. 2x5cm / 0.8x2.0in_x000D_ Socket Adapter: Approx. 1.3x7.1cm / 0.5x2.8in Note: All data are measured manually, and there are certain errors in the measurement results.