Overview Product Description JK 42 Tooth 72 Pitch 2MM Axle Plastic Spur Gear - JKG742M / Formally JK-72422 Product Videos Custom Field Product Reviews Write a Review Write a Review × JK 42 tooth 72 pitch - 2MM - JKG742M / JK-72422 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *