The GLS Spin Tile Levelling Systems offers accelerated tile installation by making use of centripetal force in conjunction with its auto-rotation mechanism. The caps secures to spacer by spinning the cap to tighten which can be done easily with one hand.This is especially useful when installing large format tiles.No tools are required for installation and the system maintas a consistent grout line on walls and floors.Low effort required when using The GLS Spin Tile Levelling system.