Welding electrodes size: 2. 50 x 350 mm, model LH 106 of M/ s. Ador Fontech make or model Xuper 680 CGS of M/ s. EWAC make. Each standard packet net weight 5Kgs and the packing material having Shelf life of minimum 12 months at 30 degree celsius or below from the date of supply of the material. Note: One sample kilogram should be got approved before effecting bulk supply.