Vitrex Wall Tile Spacers are supplied in a resealable bag or tub for easy and convenient storage. Each pack comes complete with a Ready Reckoner, a quick and simple way to calculate the correct number of spacers required. Tile spacers provide an easy way to achieve a more professional finish, spaces floor tiles evenly, and ensures an even grout line throughout. The VIT10202600V tile spacers have the following specifications: Spacer thickness: 2.5mm. Pack size: 3,000 tub.