Feature: 1. Sturdy Material: Made from high strength iron material, this bottle jack extension is designed to last and withstand significant weight, resistant to oxidation and deformation. 2. Increased Height: With an additional 3 inch height, the bottle jack adapter extension allows for greater stability during usage, can be a must have accessory for bottle jack. 3. Stackable Design: This lifting extension features a unique design where multiple extensions can be stacked on top of each other to further increase lift height. 4. Enhanced Stability: An extension screw collar provides a safe union for extension and lifting pad, maximizing the available stroke by an additional 1.5 inches. 5. Versatile Use: The 6 ton adapter lift extension is suitable for a bottle jack saddle with a diameter of 1.25 inches (31.75mm) or smaller, offering a wide range of compatibility. Specification: Item Type: Bottle Jack Lift Extension Internal Engagement: 2 inch Load Capacity: 6 Tons Fitment: Fit for bottle jacks with a saddle diameter of 1.25 inches (31.75 mm) or less Compatible with most bottle jacks Fit for Numerous stacking combinations with other Safe Jack Extensions and Lift Pads Fit for Safe Jack 12 and 20 ton Bottle Jack Adapter. Package List: 1 x Bottle Jack Lift Extension Note: If the hydraulic cylinder is significantly less than 1.25 inches, it is recommended not to use an adapter without an expansion screw ring, as the joint will be unstable.