The Main Parameters : Color: Matte Black; Length: 12ft(365cm); 4 Sections; Square tube sized 1.2 in /3cm with 0.05" thickness; Clearance: 3.1 in/8cm away from the wall, tight joints where the sections are joined for a comfortable grasp. We also provide other sizes of handrails for your needs Modern-Style Design : Metal square pipe stair railing features a sleek industrial design, adding a contemporary and stylish touch to any space. Whether installed in homes, offices, or commercial spaces, it blends with various interior styles, giving your stairs a trendy upgrade Sturdy Safety Staircase Railing : This wall mount handrail can be screwed into wood, brick, or concrete walls. Crafted for dependable support, Each bracket supports 440LBS, it ensures comprehensive safety for the elderly, children, pregnant individuals, and those with disabilities Easy To Install and Maintain : With precise bracket alignment and a complete grab bar kit, installation is easy. 1, Mark the desired position on the wall. 2, Drill a hole at the marked spot.