Feature:1. APPLICABLE SIZE: These adjustable ladder jacks can be easily connected to the ladder, and suitable for platforms up to 20 inch in width.2. ALLOY STEEL: The ladder jack is made of excellent alloy steel, with high hardness and impact resistance, providing stable support for the platform.3. EASY ADJUSTMENT: The metal ladder jack can be adjusted to fit circular or D step ladders, installed on both sides of the telescopic ladder.4. 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.5. 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 JackProduct Material: Alloy SteelProduct Load Bearing: Approx. 120kg / 264.6lbSize: Approx. 51 x 25.6 x 8cm / 20.08 x 10.08 x 3.15inApplication: 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 Body1 x English User Manual2 x U Shape Plates2 x Long Strip Plates2 x Sawtooth Adjustment Plates12 x Long Screws4 x Short Screws16 x Nuts4 x Gaskets