Genuine Countax A20/50 Blade Set (50 Mulching Deck). Genuine Countax parts suitable for the following makes & models. A/ D/ K Series – 50 Combi. A/ D/ K Series – 50 Mulching. V Series – 50 Mulching. Garden & Hire Spares Ltd offers a wealth of experience in the supply of spare parts for garden, forestry, groundcare and small plant machinery. We are main dealers and stockists for Stihl, Honda, Husqvarna, Mountfield, Briggs & Stratton, Stiga, Countax, Westwood and many more!