Our PTFE glides are designed for moving furniture with ease. They are suitable for various furnitures such as sofa, desk, chair, bed etc. You can move furnitures easily even if heavy items. Our furniture gliders can prevent floors from scratching and reduces noise when move your furnitures around the room. Don't worry about damaging your expensive furniture and carpet. These furniture sliders are made of durable material , which can make sure longevity for periods of time. Type: Round with Screw<br><br>Installation Guides Step 1: Use a tape to measure and mark the depth you need to drill. Step 2: Use a drill bit to drill a hole according to the tape deep. Step 3: Put a slider onto the furniture leg and drill the screw. Step 4: Stand the furniture to check the stability and start to slide. size:30mm Material:PTFE colour:blue grey + black<br><br>Package Contents: 40 x PTFE Base Sliders with Screw<br><br>Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.