[Excellent Pressure Bearing Capacity] Our Gas Support Rods Have Good Pressure And Bearing Capacity. The Spring Pressure Support Of Each Gas Support Rod Can Reach 100N (10Kg). In Addition, The Piston Cylinder Of The Product Is Filled With Inert Gas-Nitrogen, Which Can Provide Ultra-High Stability And Safety, And Firmly Support Your Cabinet Door For You. [Auto-Lock]The Product Locks Automatically Locks After Opening The Doors And Windows. This Ensures The Stability And Stability Of The Product. Once You Open The Doors, Windows And Cabinets, Unless You Close Them, The Product Will Stably Support Doors And Windows To Save You The Risk Of Hitting Your Head. [Safe And Slow Closing System]: This Hinge Product Can Help You Slowly Open Or Close The Kitchen Top Flap Door, The Toy Box Or The Top Flap Window To Prevent Loss And Injury Caused By The Strong Impact.It Can Perfectly Ensure The Safety Of You And Your Families. [Comes With Screws And Metal Base]In Order For You Allow More Installation Fast And Better, Our Pack Is Specially Equipped For You With 20 Screws And 8 Metal Bases. The Installation Operation Is Very Simple, You Only Need To Connect The Metal Base To The Hydraulic Jack First, Then Screw The Screw Into The Hole Of The Metal Base, And Finally Fix The Screw Into The Hole That You Drilled On The Wall Or Cabinet. [Excellent Practicality]Our Products Are Suitable For Most Kinds Of Pvc, Aluminum Or Wooden Materials And All Kinds Of Upturned Cabinets, Wooden Cases And Aluminum Skylights. The Product Allows You To Slowly Open Doors And Windows, And Can Easily Lift And Repair These Doors And Windows For You, So That You Can Avoid The Trouble Of Hitting Your Head.