Gracallet Silver Stainless Steel Round Hair Dryer Shelf/ Blow Dryer Holder /Hair Dryer Holder(Hole Diameter: 3.5") Package included: 1 x hair dryer holder (Including install accessories). Used for bathroom,washroom, barbershop and so on. There is a rubber loop on the inner wall of the metal circle and it can protect your dryer. Keeps barbershop counter more clean and tidy. The holder size (LxWxH):5.5.x3.5x2.5", its hole diameter: 3.5"