Blurhino SRD Suraksha Upto TRTL 30(Torch & Tool Resistant) 12 mm (C Class) & 30 mm (B Class) is the reinforced MS Sheet in the door slab 30 min Fire Resistant Automatic Re-locking foils attempt on key hole 70 mm (C Class) & 90 mm (B Class) thick Barrier material and layer of Flame and Arc resistant composite material 12 shooting bolts, 6 on the left and 6 on the right Dual Protection over entire lock area Special grill-gate with 8-lever lock (operatable on both sides) Specification Model C Class B Class External Dimension in mm 2200H x 1270W 2225H x 1270W Clear Opening (in mm) 2000H x 915W 2000H x 915W Weight in Kg 950 1200 Certification CBRI-BIS 11188 CBRI-BIS 11188 Accessories Air ventilator, Emergency fan, Tang bar, Combination lock, Time lock Air ventilator, Emergency fan, Tang bar, Combination lock, Time lock