Features: Gearbox, Gear case, Gear, Worm, Worm Shaft, Casting, Sand-Casting 1) Ductile iron and gray iron sand ... casting Features:Gearbox, Gear case, Gear, Worm, Worm Shaft, Casting, Sand-Casting1) Ductile iron and gray iron sand casting ... AE.run.minisite.productShow(); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); Worm gear box