A set in the field of wind turbines, comprising: a first part comprising multiple fasteners, the first part being a foundation of a wind turbine and the fastener being a bolt, the foundation having at least one row (4, 5) of circularly arranged bolts, the bolts each comprising a threaded shank sticking out upwards from a concrete body of the foundation, a second part comprising multiple holes, the second part being a tower of the wind turbine, the tower having at least one row of circularly arranged holes, and multiple aligning tools each being adapted to align at least one hole and at least one fastener for insertion of the at least one fastener into the at least one hole, each aligning tool comprising: a first section adapted for connecting to the at least one fastener, the first section comprising an inner thread adapted to be screwed onto a threaded shank, and a second section having an outside diameter (24, 25) tapering down in a direction away from the first section, the second section having a first outside diameter corresponding to the inside diameter of the hole and a second outside diameter smaller than the first outside diameter, the second section tapering down from the first and the second diameter (24, 25), wherein the multiple aligning tools are each screwed onto a respective bolt, wherein, when lowering the tower onto the foundation, as one or more holes become aligned with their corresponding bolts, the rest of the holes will follow to fit the rest of the bolts. a first part comprising multiple fasteners, the first part being a foundation of a wind turbine and the fastener being a bolt, the foundation having at least one row (4, 5) of circularly arranged bolts, the bolts each comprising a threaded shank sticking out upwards from a concrete body of the foundation, a second part comprising multiple holes, the second part being a tower of the wind turbine, the tower having at least one row of circularly arranged holes, and multiple aligning tools each being adapted to align at least one hole and at least one fastener for insertion of the at least one fastener into the at least one hole, each aligning tool comprising: a first section adapted for connecting to the at least one fastener, the first section comprising an inner thread adapted to be screwed onto a threaded shank, and a second section having an outside diameter (24, 25) tapering down in a direction away from the first section, the second section having a first outside diameter corresponding to the inside diameter of the hole and a second outside diameter smaller than the first outside diameter, the second section tapering down from the first and the second diameter (24, 25), a first section adapted for connecting to the at least one fastener, the first section comprising an inner thread adapted to be screwed onto a threaded shank, and a second section having an outside diameter (24, 25) tapering down in a direction away from the first section, the second section having a first outside diameter corresponding to the inside diameter of the hole and a second outside diameter smaller than the first outside diameter, the second section tapering down from the first and the second diameter (24, 25), wherein the multiple aligning tools are each screwed onto a respective bolt, wherein, when lowering the tower onto the foundation, as one or more holes become aligned with their corresponding bolts, the rest of the holes will follow to fit the rest of the bolts.