Extended base attaches to rcps medium heavy duty adaptable carts to carry tall objects like ladders or 4' light bulbs. Compatible with rcp skus 1997208 and 1997209. Extended base attaches to rcps medium heavy duty adaptable carts to carry tall objects like ladders or 4' light bulbs. Frees up valuable space on cart shelves. Makes transporting long objects in tight spaces easier and faster. 40 lb weight capacity. Compatible with rcp heavy duty adaptable carts (1997208, 1997209). Available in black.