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Standing Desk Keypad Knee Bumper Bar
This U-shaped bar screws to the underside of a desk and hangs below a sit-stand desk's up/down keypad, so a knee or chair arm hits the bar before it can press the buttons and move the desk. It fits keypads up to 140 mm wide and 38 mm deep. The fingers still reach in from the front, and the 5.0 mm slotted holes in the two flanges take #8 or #10 wood screws with 8 mm of front-to-back adjustment. Overall size is 176 x 52 x 28 mm, and it prints flat so the knee load stays in the layer plane.
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