Gem Bids For Fixed Base Machine Vice Made Of Ductileunbreakable Sg Iron Having Clamping Rangeminimum 200 Mm, Spare Lead Screw Suitable Foritem No. 1. Lead Screw Made Of Alloysteeltoughened Other Specificati, Spare Spindlenut Suited To Item No. 1 Made Of Phospoures Bronzeother Specification As Per Is 4502: 1