Ender Extender Bottom Frame Member (4040 x 470mm)
The Ender Extender/Ender 3 has two bottom left/right frame parts that serve as the base of the frame, along with the center cross member.
This item is TWO 4040 x 470mm pieces. This is an extended version of the stock frame member to give more support for the Ender Extender 400 kits.