Here is a set of 10 spline Quick Change gears by Quarter Master set number 30. Local pick up is also available.
Vintage Quarter Master Quick Change Gear Set
Quarter Master Quick Change Gears Set 22 22/29 Tooth 5.42/6.40 Ratio Winters
Quarter Master Quick Change Gears Set 22 19/25 Tooth 5.41/6.39 Ratio Winters
Set #1 Quarter Master Quick Change 4.11 - 4.86 Rear End Gears 10 Spline in case
Set 19 REM Polished Quarter Master Steel Quick Change Gear 10 Spline 8519
Set 17 REM Polished Quarter Master Steel Quick Change Gear 10 Spline 8517