Hercules Keyboard Stand Tablet Holder (DG320B), Smartphone Holder(DG200B), and Tadgrab Tablet Holder (HA300)

DG320B: This fully adjustable versatile design accommodates 7″ to 10.1″ tablets and has an extremely stable diagonal lock.

Perfectly applicable to all keyboard stands and desks within the following dimensions: 0.62″ ~ 1.18″ round tube; 0.7″ ~ 1″ square tube; 0.39″ ~ 0.98″ thickness.

DG200B: This versatile design fits all devices of width from 1.7″-3.5″ wide. It features a 360 degrees ball-joint design, and the fully-covered one-piece clamp fits 15.8 mm – 25.4 mm (0.62 – 1”) round tubes and 19 mm (0.75”) square tubes.
HA300: This versatile design fits tablets from 8.9-10.1”, features a 360 degrees ball-joint design, and a fully-covered one-piece clamp, which fits 15.8-25.4mm (0.62-1”) round tubes and 19mm (0.75”) square tubes. Detachable table support is included for desktop use. This works in both landscape and portrait modes. The EZ adaptor allows the tablet to be attached to top of microphone stands (3/8″ or 5/8″ thread).

Herculesstands.com