MFAA range of packs containing gears in the sizes & quantities indicated in the table below Order 208 Size 612 No in Code 208612 Pack WC78K208 Ratio gear 2.9mm 208bore x 4812 teeth 6122 A range of packs containing gears in the sizes & quantities indicated in the table below Order Size No in Code Pack WC78 K Ratio gear 2.9mm bore x 4812 teeth 2 Ratio gear 3.1mm bore x 4812 teeth 4 Pinion gear 2.9mm bore x 10 teeth 1WC81 C Spur gear 2.9mm bore x 40 teeth 1 Pinion gear 2.9mm bore x 20 teeth 1 Pinion gear 2.9mmbore x 10 teeth 1