Special offer. Includes BS 817, BS 852, BS 869, BS 887, BS 906 Parts 1-2, BS 907, BS 919 Parts 1-4, BS 939, BS 957 Parts 1-2, BS 958, BS 959, BS 969, BS 1044-1, BS 1054, BS 1134 Parts 1-2, BS 1643, BS 1685, BS 1734, BS 1790, BS 1916 Parts 1-2, BS 3777, BS 2045, BS 2485, BS 2364 Parts 1-2, BS 2795, BS 3064, BS 3123, BS 2795, BS 3064, BS 3123, BS 3509, BS 3730 Parts 1-3, BS 3731, BS 4064, BS 4065, BS 4311 Parts 2-3, BS 4372, BS 4500 Parts 4-5, BS 5204 Parts 1-2, BS 5233, BS 5317, BS 5535, BS 5590,