12 In 6 Pcs Adjustable Bed Legs M8 Threading Bed Legs Support, 12 Inch 6 Pack Specifications: Application scenario: Great for Sofa, Couch, Chair, Ottoman, Furniture, Cabinet, Shelves. Easy to install Height: Adjusts from 3.5? to 12? Material: The center is supported by thick stainless steel ,Extra Durable,and the outside is wrapped in plastic,Electrophoresis black to prevent rust and corrosion Packing included: 4 pcs x Adjustable Height Furniture Leg; Features: 1.This product is designed to match different beds' heights to protect your bed and mattress from damage or sagging. 2.The design is a cost effective way for maintaining the life of your expensive bedbase / Wooden Slat / Mattress Foundation / Platform Bed Frame / Box Spring .The bed frame support legs will hold and evenly distribute the weight of your heavy mattress efficiently protecting your bed and mattress from sagging and damage .Saving you money on bed repairs and mattress replacements. M8 M10 threading each legs is 3 sections (4.5", 3.5", 3.5") + 1 flat cap (0.5"), Each part can be used individually or in combination, supplys 5 height options, 4", 5", 8", 8.5", 12" for you bed base. Protects your floor?Leg bottom PVC pad are non-slip and wear resistant design protects your floor and reduce noise if you need to move the bed or other furnitures Easy to Install: Simply screw these legs into your base and enjoy. Package content: bed frame legs replacement include: 6furniture legs. If you find that the product is damaged or missing parts, please contact us in time to provide you with replacement services.