Photo 1 of Dr.Luck 4 Inch Black Corner Spring-Load Gate Wheel Caster, Hard Nylon Wheel Swivel Style Corner Connect 7 Holes Side-Mount Plate Install w/ 7 Screws Heavy Duty 135Lbs Load Capacity

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Photo 1 of Dr.Luck 4 Inch Black Corner Spring-Load Gate Wheel Caster, Hard Nylon Wheel Swivel Style Corner Connect 7 Holes Side-Mount Plate Install w/ 7 Screws Heavy Duty 135Lbs Load Capacity Photo 2 of Dr.Luck 4 Inch Black Corner Spring-Load Gate Wheel Caster, Hard Nylon Wheel Swivel Style Corner Connect 7 Holes Side-Mount Plate Install w/ 7 Screws Heavy Duty 135Lbs Load Capacity