supply of mmaw electrode holder of type a, fullymmaw electrode holder of type a, fully,mmaw electrode holder of type a, fully insulated, 600a rating, 60% duty cycle with bis marking conforming to is 2641:1989 ra 2020. the jaws shall be made of high grade forged copper allo y. glass fiber reinforced polyamide material shall be used for encasing the handle of the electrode hold er. the hand grip holder insulation shall be locked suitably with non-metallic grub screws or button typ e design to prevent the slippage of holder handles insulation cover unless unscrewed. certificate of test s carried out in a nabl accredited laboratory or government approved test house as mentioned in para 5.3 & 6.2 of is 2641:1989 ra 2020 shall be supplied along with the product duly indicating the batch n umber of the product. material should be procured from the following oems or their authorised dealers only makes: ador, metal arc, esab, messer & welspring. [ warranty period: 30 months after the d ate of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ] => limited