M151545 1.5 MOD - 3 Ratio - 15/45 Teeth Metric Precision Bevel Gears -
The Tooth Surface of The Metal Bevel Gear 45 Is Quenched 90 Degrees 1 to 1 and 20 to 25 Teeth and 30 Teeth Bevel Gears - China Draw Bench, Automatic Strenghtening Drawing Bench | Made-in-China.com