Fit onto the 3mm D shafts of Pololu Mini/Micro Metal and 120:1 Mini Plastic Gearmotor Wheel 60*8mm
Fit onto the 3mm D shafts of Pololu Mini/Micro Metal and 120:1 Mini Plastic Gearmotor Wheel 60*8mm,Packaging, Advertising & Office,Office & School Supplies,Educational Supplies,Other Educational Supplies