This adapter replacement kit pack is suitable for most safety gates and most banisters,Great for baby gates, pet gates, etc.This item only fit for M10 Spindle Hole, NOT FOR Other Sizes Screws, please check spindle hole of your pressure baby gate first. Galvanized stainless steel, durable and reusable,NO need tools and NO damage on wall,adjustable lenth bolts just rotate the nut and create reverse force against wall, quick and easy to fitPerfect fit with Linda Gate and most of pressure gates(M10), fit for most place, such wall, stairs smooth surface etc. Made of solid material that won't crack with pressure, help to make the banister gate fit snug and sturdy, so as to ensure safety of the kids or pets Package Content 4 pcs pressure threaded spindle rods replacement, bring your old gate back into use, save you from buying a new gate. DO NOT USE at top of stairs or if you're unable to fit your gate securely..Items from Sheng Xinshun's shop