This heavy-duty adjustable glide features a 2.25-inch non-turnable base with a durable yellow zinc dichromate finish for enhanced corrosion resistance and a professional look. It is available in 5.25-inch and 6-inch lengths, both with a 3/8"-16 threaded shaft, and comes pre-assembled with a wingnut and socket for easy manual adjustment. Ideal for furniture, shelving, and equipment that require stable, adjustable floor support.