Silverline Tile Spacers 1000pk 1.5mm

Amazon

Cross-shaped plastic spacers for ensuring uniform gaps between tiles Helps achieve a professional finish Also aids in ensuring the correct spacing in between tiles which allows for movement and stress relief Lightweight but strong Ideal size for 4" tiles Easy to spot and pull out, or can be grouted over so you don't have to worry removing the spacers Suitable for tiling both walls and floors Dimensions (H x W x L): 1.5mm x 2mm x 20mm, Weight: 0.18518830008 pounds, Manufacturer: SLTL4

Electrical World

Ensures uniform gaps between tiles. Can be grouted over. 1.5mm for 4" tiles, 2mm for 6" tiles and 3mm for floor tiles.

ManoMano

Ensures uniform gaps between tiles. Can be grouted over. 1.5mm for 4" tiles, 2mm for 6" tiles and 3mm for floor tiles.