Plastic Worm Gear 6x6/7/8/10mm for 2mm Model Electric Motor Shaft Gearbox Grub
6x6/7/8/10mm Plastic Worm Gear for 2mm Model Electric Motor Shaft Gearbox Grub. Worm gear length: 6MM, 7MM, 8MM, 10MM. Center hole: 1.95mm, suitable for 2mm bare shaft or axle.