PREMIUM QUALITY: Made of PTFE (Teflon) Material, 5mm thick extra strength pads ensure longevity and durability, carefully protect your floors surface from scratches and scuffs. Pls allow (+)- 0.02", the actual size is around 0.73" VARIOUS APPLICATION: Suitable for all wooden furniture – stools, sofa, table, couch, dining chairs to prevent floors from scratching, reduces friction & noise while moving furniture. Allow furniture to be moved quickly and easily HEAVY FURNITURE SLIDER: PTFE Furniture sliders allow to move your heavy furniture EASY and SAFETY. Design to protect your low-pile carpeted floors, cotton and linen carpets，linoleum floors（not for wood floors） WARM TIP: You'd better pre-drill pilot hole for hardwood to prevent nails from bending, or furniture legs from cracking damage. Please put products away from children SPECIAL NOTICE: Please keep your floor clean, because sands or Particles between your floor and chair glides will scratches your floor Nail on Furniture Sliders for Carpet (24pcs) - 1” Nail on Chair Leg Slider Glide Heavy Duty PTFE (Teflon) Furniture PREMIUM QUALITY:Furnigear Nail on glides made of heave duty PTFE (Teflon) material and high quality carbon steel nail, ensure longevity and durability, carefully protect surface from scratches and scuffs.Teflon (PTFE) has the below characters : - Sliding:Among the solid material by known, it has the mimimum friction coefficient. It is the ideal lubrication material without oil. The friction coefficient is only between 0.05 to 0.15 when it slides after it is loaded with the heavy - No Sticking:All the solid material by known can not stick on the surface of it. It is the material has the minimum surface energe. - Ageing Resistance:It has the excellent feature of decay resistance, ageing resistance, extrem temperature resistance.Various Application:perfect for all furniture – stools, sofa, bed, table, couch, dining chairs to prevent floors from scratchingReduces friction & noise while moving furniture, Allow furniture to be moved quickly and easily Easily Installation:Please carefully clean the surfaces to which the furniture nail-on glides will be tapped - then wipe dry.2.) Drill a small guide hole into the wooden leg. 3.)Gently tap the nail into the leg bottom.