AeroTab Universal Tablet System S2 Compatible with tablets with a diagonal ranging of 8.75(22.2cm) to 14(35.5cm) Accommodates tablets up to.50(1.25cm) thick Works with tablets using protective cases within the above ranges AeroTab S2 includes 1/4-20 tripod thread + Arca-style receptor Made in the U.S.A; Tether Tools Lifetime Warranty