30.1 motor gearbox kit

new gearbox kit for 1/8 axle
has a 2mm hole for fixing to a chassis with a bit of 2mm wire not inc
 
kit contains
3 volt 24mm can motor or
6 to 15 volt 27.5mm can motor
2x bolts
2x brass bearings
1x 1/8 axles 73mm long with gear 30.1
1x worm gear
1x gearbox housing