WIDE RANGE OF USE: ideal for indoor and outdoor installations for balcony railings, decks, lofts, stairs, and swimming pools. After installing the railing post system, you can make your house a new landscape with your whole family! Floor Mount with Screw：Install it in the desired position, mark the position of the hole on the mounting surface, and then drill the hole. If you plan ahead and have the right tools, installation will only take half an hour. Stylish Exquisite Design：The Interior Staircase Spindle is made by experienced artisans. Rectangular and square designs, beautiful and exquisite, more ornamental value. Not only meets all building code standards, but also enhances your staircase aesthetics. A veritable work of art. Metal Iron Railing：Railing is made of full wrought iron, which is hard, corrosion resistant and impact resistant. All you need to do is wipe it with a rag to make it very bright. Standard Size：Interior stair u shaped handrail is designed with 3×3 cm/1.2×1.2 in square tube handles, easy to grip, effectively preventing young children and the elderly from falling, giving you and your family the safest protection.