SIZING YOUR DUALLY: Pony size fits miniatures horses and very small ponies
Nose- Minimum 16.5 in (41,91 cm) Maximum 19.5 in (49,53 cm)
Head- Minimum 24 in (61 cm), Maximum 31 in (78,7 cm)
Cheek – From Ring Ring 4.5 in (11,4 cm)
The size of the head matters more in fitting a Dually than the weight of the horse.