8' dog agility teeter (see-saw), aluminum with rubber surface dogsport this dog agility teeter (see-saw) has a board that is 8' long and 10" wide. the base can be adjusted to be either 12" or 18" high. the board is aluminum alloy with rubber surface and the base is steel. the board comes apart into two sections and the base folds flat for easy storage and transportation. this teeter is the perfect size for practicing in small spaces.