Gem Bids For Heat Treatment Fixture For Pinion As Per Drawingno. Sk1736 Rev00., Heat Treatment Fixture Forpinion As Per Drawing No. Sk1737 Rev00., Carburising Fixture For Bull Gear As Per Drawingno. 1411081 Rev 10., Lifting Fixture For Hardening &Tempering Of Gear As Per Drawing No. 1402280Rev11.