The britool brie110303b 12 piece combination set includes the following combination spanners8 9 10 11 12 13 14 15 16 17 18 and 19mm the britool brie110303b wrenches have an open end which is angled at 15 from the handle axis and have a 12 point ogv ring profile angled at 15 the ogv profile maximises the contact surface with the nut for a longer lifetime and the wrenches are forged in chrome vanadium surface with a high chrome finish the long handled wrenches provide incre