CNC Cut from 10GA. (.130) Cold Roll steel plate;Finish: Bare Steel;Hardware to secure battery included;Includes self-clinching (PEM) nuts pressed onto the mount;Mounting: 4 - 1/4 countersunk holes in bottom or direct weld;Outside dimensions of mount: D- 8 3/8 x W -9 7/8 x H- 8; California Residents: WARNING Dont mess around with a mount that doesnt come close to the quality, and durability of the Artec group 34 Optima Battery mount. One piece design, carefully engineered for lighter weight and added strength. Battery fits snug, eliminating movement that causes premature wear and shorter life. Window to easily view battery specs.