Modern Wide Over and Under Boom Kit for 1-1/2" Speed-Rail® - Black Zinc Curtain Track The adapters are manufactured for

The adapters are manufactured for all double and triple riser Combo stands that have a 1" x 1" leg

Hollaender® 1-1/4" short collar safety fitting for Speed-Rail® systems

(This will give the maximum strength to the joint

Set of six stacking 6" x 6" plates with a baby (5/8") pin in alternating areas

Heavy-duty construction built to handle professional production rigging

Modern Wide Over and Under Boom Kit for 1-1/2" Speed-Rail® - Black Zinc Curtain Track The adapters are manufactured forThree piece kit used to boom or key lights using side by side 1 1 2" Schedule 40 aluminum Speed Rail with 1" spacing (also known as a menace arm kit).