"Our Bass Pro Shops LockDown SuperLight Marine Electronics Mount provides a simple mounting solution for all small fish finders. Our boat electronics mount brings a universal mounting plate to accommodate countless devices; a spring-loaded hex head mounting screw for sure hold; rubber gasket for mounting protection; a dual-axis riser; and 360 pivoting base so you can find and keep the perfect viewing angle. 8.125"" x 2.5"" x .0236"" top plate and 7.29"" x 8.13"" x 3.25"" overall footprint. NOTE: Accommodates fish finders up to 7"". Positive locking adjustment points Spring-loaded hex head mounting screw Rubber gasket Universal mounting plate Dual-axis riser 360 pivoting base"