Adaptive Technologies Group BC-GSA-100 Beam Clamp Adapter for MP-500NPT-GSAWhen suspending audio video or lighting applications from wooden beams Adaptives BC GSA 100 beam clamp makes installations safe and easy. Once beam clamp is secured to wooden beam, multiple suspension mounts can be attached depending on the application. Features Mounts to Wood Beams 6 10 Adapts to MP 500NPT GSA Specifications SPECIFICATIONS PACKAGE CONTENTS Material: Structural Steel 2 pcs L Bracket Mounting Plate Finish: Powder Coat 2 pcs 3 8 16X1.