1. Wear-resistant, recyclable and reusable.2. Easy to use in DIY operation.3. Balance the tiles in the same horizontal position.4. Improve the speed of ceramic tile installation.5. There is almost no flat surface without cracks.6. This reduces the need for sharpening and polishing.Name:Floor Kit for Tile Leveling Systemcolour:Orange & Blackmaterial:Plastic + stainless steelsize:Suitable for brick joints:15-6mm, thickness:5-17mmPackage Contents:150* levelers3* wrenchesOnly the above package content, other products are not included.Note: Light 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.