A: Aluminium dial,Aluminium angle-ruler B: Plastic dial,irom angle-ruler to install Features: 1) Tungsten carbide cutting wheel: dia. 16mm 2) Square adjustable up to 45 degree 3) Base thickness: 18mm 4) Base width: 198mm 5) Aluminum scale 6) Cutting, angle and drilling in one working cycle 7) For all wall and floor tiles Specifications: 1) HX116A (B): 400mm/16", 16mm, color box packing 2) HX118A (B): 450mm/18", 16mm, color box packing 3) HX120A (B): 500mm/20", 16mm, color box packing 4) HX124A (B): 600mm/24", 16mm, color box packing 5) HX128A (B): 700mm/28", 16mm, color box packing Outer packing: 1pc/color box