Mayne Handrail Brackets 2-Pack - BlackAccent your porch or deck railing with a Mayne window box using this set of two handrail brackets. The handrail brackets simply bolt onto your existing window box brackets for an easy installation over a railing measuring 3" or less. Color: Black Dimensions: 1. 8" L x 3. 2" W x 10. 1" H Made from black powder coated steel, making them lightweight and durable J hook design is a single bracket that easily slips over a typical hand rail this would