RAM Hook2 Mount with 1 inch Ball & Arm Size:One Size Batteries : 3 AAA Alkaline

Batteries : 3 AAA Alkaline or Lithium

Max User Height: reg - 6'2" (188 cm) / long - 6'8" (203 cm)

Synthetic fill around the toes limits compression and increases warmth for the vaulted footbox

Rugged Flex® technology for ease of movement

a racerback and a breathable but flattering hug throughout the body

RAM Hook2 Mount with 1 inch Ball & Arm Size:One Size Batteries : 3 AAA AlkalineSome Lowrance Hook2 series fish finders use a unique star pattern mount that plugs into the back of the head unit. Hook2 specific RAM mounts are now available in 1" and 1. 5" sizes, and are plug and play with the Hook2 4x and Hook2 5 models. Simply snap the star pattern RAM mount into the back of the head unit, just like our other plug in RAM fish finder mounts. Hook2 7 and 9 will still mount using Hobie's 72023055 mount Pair with a 1. 5" H Rail Mount