Overview Product Description Koford Engineering 42 Tooth Polymer Drilled Red Dot Spur Gear M663-42 KOF663-42 663-43 Product Videos Custom Field Product Reviews Write a Review Write a Review × Koford 42 Tooth Drilled Red Dot M663-42 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *