PowerNet 7x7 DLX Net and Portable Pitching A Frame Screen Bundle Beyond the baseball diamond, it can function as a backstop for most any indoor or outdoor sport. L Screen Pitching Net Flex Reversible Baseball Protective L Screen Net Carry Bag. Equipment includes 1 diameter x 1.2 millimeter black powerd coated steel tubes, five 16 mm solid fiberglass poles, and 420 D black nylong sleeves.