General description The VEVOR Handrail Stair Railing is designed to enhance safety in your home, particularly in areas like stairs, hallways, and balconies. Constructed from thickened aluminum alloy, this wall-mounted handrail supports a load capacity of up to 440 lbs (199.6 kg), ensuring a secure grip for users. Its ergonomic design and sleek black appearance make it a versatile addition to any indoor or outdoor setting. Technical specifications Item Model Number: H8170-4 Item Length: 4 ft / 1220 mm Max Load Capacity: 440 lbs / 199.6 kg Distance Between Columns: 35.4" / 900 mm Main Material: Aluminum Alloy Net Weight: 5 lbs / 2.3 kg Item Dimensions: 48 x 2.76 x 7" / 1220 x 70 x 180 mm Compatibility and accessories 10 x Plastic Expansion Tubes 10*50 10 x Self-Tapping Screws M6.5*50 3 x Hex Socket Cap Screws M6*30 3 x Anti-loosening Nuts M6 1 x Open-end Wrench 8-10 1 x Internal Hex Wrench 4 mm 1 x Drill Bit 10*150 1 x User Manual Installation The installation process is