Gear Tooth Profile Gauge .35 to 4.5 Module 23 Profiles 15 Leafs 20 PA - Modular GEAR TOOTH PROFILE GAUGE SET 15 Leaves - 23 Profiles Sizes include in this set: 0.35, 0.40, 0.45, 0.50, 0.55, 0.60, 0.70, 0.80, 0.90, 0.100, 1.125, 1.25, 1.375, 1.5, 1.75, 2.0, 2.25, 2.5, 2.75, 3.0, 3.5, 4.0, 4.5 20 Degree Pressure Angle OTHER SIZE OF GEAR TOOTH GAUGE IN OUR SHOP !