Reduces the need for grinding and polishing. Prevents tiles from moving during solidification. 200 stainless steel needles for tile leveling system. Wear resistant, recyclable. Easy to use for DIY. Steel needle length: 33mm. steel needle thickness: about 1.5mm. Floor leveling compounds can be easily placed, in the kitchen, bathroom, to allow water to be drained smoothly. Pack of 200 interchangeable steel needles for our system of leveling of tiles, which contributes to improving the lifespan. also simple and easy to use for DIY. balances the tiles in the same horizontal position. Improves tile installation speed. Reduces installer fatigue/pressure. This tiling screed system not only improves the efficiency of the DIY and tiling process, but also gives you a perfect tiling surface. After having it, you may experience an unexpected working process.