As a professional manufacturer of car parts, we have been committed to the production of battery box. Its our goal to make every customer 100% satisfied. This steel battery box is our classic product and has been praised by countless customers, designed to Car/RV/Marine battery relocation kit. * Inside Dimension: 13.78 L x 7.8 W x 11 H (Inch); * Outside Dimension: 14 L x 8 W x 11.25 H (Inch) * Features: Handles on both sides; The bottom is equipped with anti-skid pad (it can also be fixed with screws); The upper cover can be locked; Multiple reserved holes are protected by rubber rings. Patented design. Designed for battery group 27 series. Suitable for car, marine, RV, trailers, camping, etc. 100% satisfaction guarantee We are full of confidence in the quality of this battery box, and are willing to solve any problems about it for you.