Sea-Dog heavy duty battery trays are designed to securely hold 24 and 27 series batteries in place on boats and other vehicles. Made from durable injection molded polypropylene, these trays resist corrosion and provide long-lasting support in marine environments. Each tray includes a screw-down clamp and four 1/4" x 1" right-hand threaded screws with washers for secure installation. Designed for easy and reliable battery mounting, ensuring safe operation during transit or rough waters. Part Number 415054-1: Fits 24 series batteries, inside dimension 11" x 7", fastener 1/4" RH, weight 0.63 lb Part Number 415057-1: Fits 27 series batteries, inside dimension 12-1/2" x 6-3/4", fastener 1/4" RH, weight 0.67 lb Ideal for marine and automotive battery installations requiring corrosion-resistant and secure mounting solutions.Compatibility, Limitations & NoticesWARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov .Available Options Manufacturer Part Number Type UPC Dimensions 415054-1 24 Series 0035514415385 12 × 9 × 2 415057-1 27 Series 0035514415392 13 × 9 × 2