Supply of Vitreous Enameled Caution Board For Restricted Ols Height Without Nuts, Bolts, Washers & Clamps Etc. As Per Drawing No. Pcee/Sk/100 And Also Confirming To Rdso Specification No. Eti/Ohe/33 8/ 85 Or Latest. Warranty Period: 30 Months After The Date Of Delivery