Supply Of Set Of Items Required For Sealing Hvcd Switch As Follows. 1 Sealing Wire Of G.i. Twisted Type & Anti Theft Sealing Wire For Lead Seals. Each Roll 20 Metres Approximately. Qty/set. 500 Metres. 2 Round Lead Seal Of Size : 1.25 Cm Diameter, Thickness 7mm As Per Is: 13923-1993 Used In Electrical Metre Boxes. Qty/set. 20 Kgs. Note: One Metre Sample Sealing Wire & One Kg. Sample Round Lead Seal Should Be Got Approved Before Effecting Bulk Supply..