Raimondi 3D Tile Levelling Clips For Tiles 3-12mm Giving a 1.5mm JointRaimondi 3D Tile Levelling Clips For Tiles 3 12mm Giving a 1. 5mm Joint 500 or 3000pcs. The 3D Base Clips is 3 dimensional thanks to the retractable spacing fins this unique base Clip design is suitable for every application T spacers CROSS Spacers and for Half BOND brick joint size 1. 5mm Suitable for tile thickness. It comes from the factory in the flat position allowing reduced packing volume . Fold upright into 90 degree position and it's ready