Rack Solutions Q49826 Nuts, Pack Of 50

300 lb (136 kgs) capacity Optional straps & anti-slip mats secure equipment Made in the USA from 16 GA steel Supports electronic equipment up to 29in (736 mm) deep Compatible with 3in to 8in uprights Works with square, round or threaded holes racks Shelf can be mounted up-side-down Adjustable Depth: 3in - 8in (76 - 203 mm)