Features Applicable Size: These Adjustable Ladder Jacks Can Be Easily Connected To The Ladder, And Suitable for Platforms up to 20 Inch in Width. Alloy Steel: The Ladder Jack Is Made of Excellent Alloy Steel, with High Hardness And Impact Resistance, Providing Stable Support for The Platform. Easy Adjustment: The Metal Ladder Jack Can Be Adjusted to Fit Circular Or D Step Ladders, Installed on Both Sides of The Telescopic Ladder. Portable Design: These Brackets Are Lightweight And Compact, Easy to Use And Carry, Can Be Placed in The Trunk of Vehicles Or The Rear Of Trucks. Wide Application: This Adjustable Ladder Jack Can Be Used for Wall Or Ceiling Painting, Window Repair, Etc., Suitable for Home Or Factory Use. Specification: Item Type: Ladder Jack Product Material: Alloy Steel Product Load Bearing: Approx. 120kg / 264.6lb Size: Approx. 45.7 x 25.6 x 8cm / 18 x 10.08 x 3.15in Application: Suitable for platforms with a width of less than 20 inch, used for wall panel painting, window repairs, general repairs, etc. Package List: 2 x Bracket Body 1 x English User Manual 2 x U Shape Plates 2 x Long Strip Plates 2 x Sawtooth Adjustment Plates 12 x Long Screws 4 x Short Screws 16 x Nuts 4 x Gaskets Package List 2 x Bracket Body 1 x English User Manual 2 x U Shape Plates 2 x Long Strip Plates 2 x Sawtooth Adjustment Plates 12 x Long Screws 4 x Short Screws 16 x Nuts 4 x Gaskets