Apollo(TM) Monoblock & 4 Channel Marine Amplifier Mounting BracketUse this mounting bracket to easily install your Apollo Monoblock or 4 channel marine amplifier. Simply secure the mounting bracket to a flat surface and clip the amplifier in place, for a clean and tidy finish. Technical Specifications:Dimensions (WxHxD) - 4.72" x 6.08" x .39"In the Box: Mounting bracket Four 8-gauge, self-tapping screws *Sold as an IndividualWARNING: 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. Specifications: Type: Mounting Brackets Box Dimensions: 1"H x 5"W x 7"L WT: 0.1 lbs UPC: 753759268718