Tenders for Gem Bids For Retraction Chain Block Part No. 45m3008. Extension Chain Block Part No. V12370080. Rod Fabrication Extension Bar Part No. 7109977. Block Chain Part No. 7110099. Split Pin Part No. 9100298. Retract Chain Part No. 7102230. End Pin Part No. 28m3054. Clamp Fab Part No. 7105785. Punched Washer Part No. 9100040. Hexagon Nut Part No. 9100076. Unified Hexagon Ordinary Nut Part No. 9101293.