PSSO Retaining Screw for U-form Bracket is a replacement fastening component intended to secure a U-form bracket in a professional loudspeaker stacking or rigging setup. The product is manufactured by PSSO and has a listed article number of 11040990. With a weight of 0.05 kg, it is a lightweight hardware accessory. No dimensions, load capacity, speaker-model compatibility, safety certifications, or additional included components are specified in the available product information.