Fits: Humminbird-Onix / Ion series
-100% Made in the USA
-CNC Machined aircraft grade aluminum
-Hard Anodized
-Lifetime Warranty
Onix/Ion Series (Black)
SKU: LRM-RB6
$205.00Price
Round Base: 3.75" Round (same hole pattern as 2.25" ball RAM)
Bullet Base: 3.75" x 2.1875" Rectangle (2.5" x 1.5" 4-hole pattern)