ZYLO is the “shape name” of the Aluminium and Stainless Steel Rod made Premium Quality Tower Bolt, ZYLO the design looks different from orthodox shaped tower bolts and gives door hardware some fresh looks according to interiors. These Tower bolts are Made from Aluminium and Central ROD with Stainless Steel which enables these design lowest Wight with highest durability and quality uses. Aluminium is rust free metal also low Wight which make these tower bolts value for money products. Moreover this is mixed metal product the Central rod made from Stainless Steel comes in two different sizes 10MM and 12MM which make tower bolts more smoother moveable product. Truly Premium Quality Tower Bolts.