40 mm dia. Gear Pack

Stock Number:
390635
$4.45

40 mm dia., 38-tooth pulley fits its 1/8 in. or 3mm diameter axle. 10/pkg.

Will work with these gears: 390622, 390626, 390585, 390633, 390634, 390636, 750112, 990174, and 990179.