Battery holder trays  with rod hold down.
Battery Holder – 27 Series – Stainless Steel Rods.
Meets All NMMA Specifications for Retaining Batteries
Easily Installed with Eight Fasteners for Maximum Strength.
Fasteners Recessed in Base – No Tabs.
Cross Bar Holds Batteries Securely.
Dimension :  12-1/2″ L  x 7″ W (in) x 8-1/2″ W (out) x 1″ H.

Battery Holder Tray 27 Series