Toolcraft professional clock tool set 114 piece toolcraft 820922 this professional clock tool set from toolcraft is a superb watchmaker s set featuring 114 pieces making it ideal for the for repairing maintenance of watches for repairing and exchanging batteries and for the adjustment of straps p featured in this outstanding set are the following pieces li casing opening for screw fitting surface li stainless steel casing opener for opening base tube li 3 watchmaker screwdrivers li