Source One LLC Compact iPad, Kindle, Nook, eReader Treadmill Book Holder Reading Rack (TBH-CI) Go to amazon.com Related posts Thing need consider when find tablet holder for treadmill? Featureapprox. 9 x 9 inch, Each hook is approx. 1-1/2 and 2-1/2 inch DescriptionCompact iPad, Kindle, Nook, eReader Treadmill Book Holder Reading Rack