Specification:Material: PP + 430 stainless steelSuitable Spacer: 2mm-8mm/0.08-0.31 inTile Thickness: 5mm-20mm/0.2-0.79 inFeature:●Wear-resistant, reusable.●Easy to use for DIY operation.●Keep the tile balance on the same horizontal position.●Improve tile installation speed.●Reduce installer fatigue/stress.●Virtually lippage free, flat surface drastically.●Reduces the need for grinding and polishing.●Prevents tiles from moving while curing.Using Tips:1.Paving the first tile, leaving an appropriate distance (use with cross spacer), close to the tiles.2.Insert T-shaped needle along the gap in the tile.3.Then 180 degree rotation,T-shaped needle stuck at the bottom of the two tiles.4.Adjust the caps with your hand/special wrench until the two tiles are on the same level.5.About 4-6 hours after leveling, Before cement/adhesive is completely dry, rotate caps in the reverse direction, remove 180° T-needle until the word, take out.