A baler comprising: - a net wrapper assembly (500, 600, 700, 800, 900, 1000); - a first net support tube (502, 805, 902) configured for holding a first net roll (504, 604, 802, 904, 1004), the first net support tube comprising: - a first end connected to the net wrapper assembly at a first net support tube pivoting element on the net wrapper assembly, and - a second end connected to the net wrapper assembly when the first net roll is in a first wrapping active position within the net wrapper assembly, wherein the first net roll is in a first wrapping active position when the first net roll is in position to have net fed to a net feeding system; characterized in that the baler further comprises - a second net support tube (807, 903) configured for holding a second net roll (510, 610, 804, 910, 1010), the second net support tube comprising: - a first end connected to the net wrapper assembly at a second net support tube pivoting element on the net wrapper assembly, and - a second end connected to the net wrapper assembly when the second net roll is in a second wrapping active position within the net wrapper assembly, wherein the second net roll is in a second wrapping active position when the second net roll is in position to have net fed to the net feeding system, and - a support arm (512, 612, 712, 812, 912) that supports the weight of the first and second net rolls during installation of the net rolls onto their respective net support tubes, the support arm comprising: - a top surface where the first and second net rolls lie during installation of the net rolls onto their respective net support tubes, and - a first end coupled to the net wrapper assembly, the first end having support arm moving element (517, 518, 917, 918), wherein the support arm moving element is configured to move the support arm between a first support arm position when at least one of the first and second net rolls are in their respective wrapping active positions and a second support arm position during installation of the first and second net rolls onto their respective net support tubes. - a net wrapper assembly (500, 600, 700, 800, 900, 1000); - a first net support tube (502, 805, 902) configured for holding a first net roll (504, 604, 802, 904, 1004), the first net support tube comprising: - a first end connected to the net wrapper assembly at a first net support tube pivoting element on the net wrapper assembly, and - a second end connected to the net wrapper assembly when the first net roll is in a first wrapping active position within the net wrapper assembly, wherein the first net roll is in a first wrapping active position when the first net roll is in position to have net fed to a net feeding system; characterized in that the baler further comprises - a first end connected to the net wrapper assembly at a first net support tube pivoting element on the net wrapper assembly, and - a second end connected to the net wrapper assembly when the first net roll is in a first wrapping active position within the net wrapper assembly, wherein the first net roll is in a first wrapping active position when the first net roll is in position to have net fed to a net feeding system; - a second net support tube (807, 903) configured for holding a second net roll (510, 610, 804, 910, 1010), the second net support tube comprising: - a first end connected to the net wrapper assembly at a second net support tube pivoting element on the net wrapper assembly, and - a second end connected to the net wrapper assembly when the second net roll is in a second wrapping active position within the net wrapper assembly, wherein the second net roll is in a second wrapping active position when the second net roll is in position to have net fed to the net feeding system, and - a support arm (512, 612, 712, 812, 912) that supports the weight of the first and second net rolls during installation of the net rolls onto their respective net support tubes, the support arm comprising: - a top surface where the first and second net rolls lie during installation of the net rolls onto their respective net support tubes, and - a first end coupled to the net wrapper assembly, the first end having support arm moving element (517, 518, 917, 918), - a first end connected to the net wrapper assembly at a second net support tube pivoting element on the net wrapper assembly, and - a second end connected to the net wrapper assembly when the second net roll is in a second wrapping active position within the net wrapper assembly, wherein the second net roll is in a second wrapping active position when the second net roll is in position to have net fed to the net feeding system, and - a support arm (512, 612, 712, 812, 912) that supports the weight of the first and second net rolls during installation of the net rolls onto their respective net support tubes, the support arm comprising: - a top surface where the first and second net rolls lie during installation of the net rolls onto their respective net support tubes, and - a first end coupled to the net wrapper assembly, the first end having support arm moving element (517, 518, 917, 918), - a top surface where the first and second net rolls lie during installation of the net rolls onto their respective net support tubes, and - a first end coupled to the net wrapper assembly, the first end having support arm moving element (517, 518, 917, 918),