Designed for Thick Tiles: Suitable for tile thicknesses from 15mm to 25mm – ideal for outdoor 20mm porcelain 4mm Grout Joint: Built-in spacer ensures a consistent 4mm joint between tiles Heavy-Duty Design: Engineered for external-grade tiles – strong and reliable under pressure Fast & Accurate Levelling: Minimises lippage and helps achieve perfectly flush tile surfaces BIG SPIN Compatible: Works with BIG SPIN reusable caps (sold separately), Manufacturer: Tile Rite