Clock Mainspring Clamps
Set of 4 mainspring Clock Tools clamps to keep a mainspring in the wound position and keep them under control. Best to get two of these sets for paired sized mainsprings. Often the clock will have two mainsprings of the same size, therefore two sets will give a matching set of each size. These are best used with the clock mainspring let down tool. The let down and wind the spring up or down to fit this over the spring within the movement. This way the mainspring is clamped in the coiled position safely and the movement can be disassembled without a mess or danger.