Apply adhesive with a notched edge spreader and secure tile firmly. Position one spacer at each corner of the tile, add more spacers as each new tile is placed alongside. For evenly spaced wall and floor tiles, always use same spacer brand and product code during tiling process. Tiles must be left to set for 24 hours before grouting. Faithfull recommend removing spacers once tile adhesive has set. Size: 5mm. Pack: Tub of 1,000.