Box Steam Brewery Ltd, Holt, Wiltshire. , October 23, 2011 The brewery increased capacity and replaced their 10 Brl plant with a 50 Brl plant in a refurbished industrial unit a few miles from the original brewery. It now has a capacity of 150 Brl per week. Beers: Tunnel Vision 4.2%, Piston Broke, 4.5%, Derail Ale, 5.2%