About this item

• TRUE 3/8"-16 UNC THREAD: Not for metric M10. WARNING: Ensure furniture's 3/8" (9.52mm) threaded hole. Measure outer diameter(avoid ruler for accuracy) & thread count. Longer steel threads for custom workbenches.
• FIX SLOPED & UNEVEN FLOORS: 2.75" tall levelers with add 4/5" to 2-1/4" of adjustable height. Instantly level heavy workbenches on pitched garage concrete floors. Ideal for furniture with 2.5"+ thick wooden legs.
• 1600LBS HEAVY DUTY SUPPORT: Rustproof steel, 2" base & 3-hole round T-nuts expand load area to prevent wood splits. Holds 400lbs each, stabilizing an 800lb CNC or reloading bench without bending.
• DUAL FLOOR PROTECTION: 2" nylon base is superior to brittle plastic on rough concrete. Apply optional felt pads to safely slide heavy sofas & cabinets on indoor hardwood without ugly scratches.
• COMPLETE KIT & SNAP-PROOF SCREWS: Includes 4 levelers, 4 round T-nuts, felt pads & tough screws that won't shear off. Drill a 1/2" hole (>2" deep) for wood, or weld 3/8" inserts on metal.