Manufactured using superior quality iron, our IKON Atoot has special feature of locking Shackle from both side. Material Used :IronPopular for :High strengthPerfect finishOptimum qualityAnti-corrosivenessDurabilityFinishes Available :ChromeNickleBrassSpecification :7 levers for high key combinationsKey Options Available :2 keys3 keys4 keysSizes Available :40mm50mm55mm60mm65mm70mm