Corner for 1" Round Tube, Part# 409001, by Matthews Studio Equipment: Matthews offers a wide variety of Corners, Connectors, Ears, and Pins to create your own Overhead Frame on the go. As part of the design, each Hollywood Corner is gusseted for maximum strength. There is no need for cumbersome tie straps. The corners contain all tubes in a captive state, no more loose pieces that could be lost or damaged.