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. Safety Banister : When the elderly, children, pregnant women, disabled person go up and down stairs, enter and leave the home, or walk in the hallway, this grab bar can provide additional safety, especially when carrying groceries, packages, and garbage. 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：The Balusters has a standard height of (H-45cm/17.7 in , H-55cm/21.6 in , H-65cm/25.5 in , H-75cm/30 in , H-85cm/33.5 in , H-90cm/35.4 in , H-95cm/37.4 in , H-100cm/39.3 in) of sizes to choose from, suitable for your needs in different places.