arm supports sturdy aluminum material necessary office game mouse pad

Role of the hand bracket 
Help sitting in right position
Viewing angles and distance: keep eyes level with top 1/3 of screen, will make you comfortable, non-straining distance to read monitor
Neutral typing position: make your elbow at sides slightly more than 90 degrees bend
Reduce aches and pains in the wrist, arm, shoulder and neck areas caused by long-term use of computer and other repetitive movements
Support up to 24lbs (11kg) of weight effectively relieving 90% of the weight undertaken by your wrists
How the hand bracket work? 
Three pivot points and 2 adjustable hinges be fine-tuned for ergonomic comfort 162"L at maximum extension
Back with 1 exclusive 3-D adjustment to best fit your need(cab be fit height or low)
Easy installation allows you to utilize the product in your home, office 

Set of 
Aluminum alloy construction
Durable powder coat paint
Padded arm
Fits desks 2mm-55mm (1-21")
Move freely, comfortably and effortlessly to perform your computer tasks by the rob

Installation Instructions: 
1 Put stand on the desk and unscrew the nob
2 Screw the stand down
3 Adjusting nut to control height
* Refer to the image or package box for more details