Reely Brass Gear and Steel Worm Drive Set 1:40 (5mm and 4mm bores)

Reely Brass Gear and Steel Wormdrive Sets - Reely 236950, A brass gear and steel worm drive set with a 1:40 reduction ratio. Reely Brass Gear and Steel Worm Drive Set 1:40 (5mm and 4mm bores)

Price: 18.77 from Rapid Online Rapid Electronics Ltd.