Duplex Worms, Worm Gears (AGDL)	Ground Worm Shafts, Worm Gears (AG)	Ground Worm Shafts, Worm Gears (AGF)
Worms, Bronze Worm Gears (BG)	Worms, Gray Iron Worm Gears (CG)	Worms, Plastic Worm Gears (PG)
Duplex Worms, Worm Gears (KWGDL)	Duplex Worms, Worm Gears (KWGDLS)	Ground Worm Shafts, Worm Gears (KWG)
Ground Worms, Worm Gears (SWG)	Worms, Bronze Worm Gears (SW)	Stainless Steel Worms (SUW)