29/31 Battery Tray with StrapsA simple-to-install battery holder that fits into limited spaces. This tray is for batteries up to 10-1/2 inches in height. Provide a simple installation for changing or replacing batteries.Features: The polypropylene hold-down strap has a positive-locking, quick-disconnect buckle Molded base mounts with four #10 Panhead fasteners Specifications:Inside Dimensions: 12-7/8" L x 7" W Quick Guide (pdf)