They help a bunch...nice to hold an object with both hands while looking at it..
Great pin pointer from Garrett and Metal Detecting Stuff is my #1 source for products. Excellent service
Tamiya 54228 fluorine-coated 0.6 module pinion gear set includes one 26-tooth gear and one 27-tooth gear. Rounded teeth and the surface coating help reduce friction and gear noise.
A 3 x 3 mm grub screw is included. Select a gear combination compatible with your chassis and motor setup.
Both pinion gears are aluminum.