1210 Class 121 BR Green (Speed Whiskers) Single Car DMU W55021Built in 1959, the class 117 diesel multiple units were primarily used for suburban work from London. The construction of these units was based on the single carriage units (Class 121) with an added corridoor connection. This model features a high level of exterior detail, a powerful motor and a fitted interior. A great addition to your BR Era model railway. FEATURES Exterior Detail Interior Detail Powerful Motor SPECIFICATIONS ITEM NUMBER 1179 CLASS