VEVOR Ladder Extender 20x4.7-Inch, Extension Ladder 10.5-16.7-Inch Adjustable Height Range, Ladder Leveling Tool, Stair Ladder Extension with Chain Pins in Steel for Stairs, in Black Powder Coated

VEVOR Ladder Extender 20x4.7-Inch, Extension Ladder 10.5-16.7-Inch Adjustable Height Range, Ladder Leveling Tool, Stair Ladder Extension with Chain Pins in Steel for Stairs, in Black Powder CoatedAdjustable HeightSturdy & SecurityAssemble in MinuteAvailable for Most LaddersFoldable for Easy StorageAccurate DimensionType: A-LA1,Max. Base Width: 20'',Material: Carbon Steel + Powder Coated,Max. Foot Length: 4.7",Adjustable Range: 10.5''~16.7'',Min. Adjustment: 1/8