Amman-TRY readymade Steel (Rings) made of ISI Fe 500 grade high strength TMT bar in most commonly used sizes. RMS from quality Billet TMT Bars in various shapes like Square, Rectangle, and Round. Rings are manufactured through automatic machines, using the strictest quality control to ensure consistency Quality & accurate dimensions. They have a 135 degree hook as prescribed, for better bonding with concrete core and 4D size Mandrel (Pin Plate) for Bending.