ProX XT-GRU3024 BLK 30 x 24 in. U Shape Module for ProX XT-GRU Rapid Grid Modular System (Black Finish)The ProX XT GRU3024 BLK Rapid Grid modular design allows endless configurations for single fixtures, double hanging or ladders of multiple fixtures, which can also be expanded to create a wall of hanging positions. Each U module has two safety point attachments, one on each side for use with multiple styles of fixtures. The ProX GRU Rapid Grid System has been designed for quick deployment and take down in any environment. The lightweight yet strong