Spur Gear 12 Pitch Pitch Dia 1.333 In Face Width 0.750 In Number of Teeth 16 Bore Dia 0.625 In Outside Dia 1.500 In Overall Length 1.250 In Hub Dia 0.98 In Hub Projection 0.50 In Pressure Angle 14 1/2 Deg Keyway None Setscrew Not Included Steel Material