You're looking for either Salomon part #489618 (large 26.0 to 33.5 Mondo Point) or #489617 (small 22.0 to 25.5 Mondo Point)
The only place I could locate them online was this shop in the UK:
http://www.skiequipmentuk.co.uk/shop/products/489618_Toes_For_Salomon_Ski_Boots_-_Large.htm
Otherwise take that part number to your shop and have them order it.