1904025 Size: 6" Features: -Material: Aluminum. -1.5" Bolt pattern. -Includes mounting hardware. Generic Dimensions: -6-in.: 4.2" H x 3.75" W x 14.5" D, 1.9 lbs. -12-in.: 4.2" H x 3.75" W x 14.5" D, 3.3 lbs. -18-in.: 4.2" H x 3.75" W x 20.5" D, 4.5 lbs. -24-in.: 4.2" H x 3.75" W x 25.5" D, 5.8 lbs. Dimensions: Overall Height - Top to Bottom: -4.2 Inches. Overall Width - Side to Side: -4.2 Inches.