112 Holes: A total of 12 different sized holes, which can fix watch balance wheels of different specifications at the same time to meet your needs. 2Good Accuracy: Watch balance wheel stand with professional manufacturing and high accuracy, not easy to break, which is an excellent tool for watch repairing. 3Watch Repairing: Watch balance wheel holder is one of the necessary watch repair tools, can effective fix the watch balance wheel, suitable for watchmakers and watch repairers. 4Portable Size: Watch balance hairspring stand is light weight and in small size, which is easy to store and carry, perfect for home use or watch shop use. 5Steel Material: Watch balance hairspring holder made of high quality steel, with stable structure, firm and sturdy, which can be used for a long time. Item Type: Watch Balance Wheel Holder Material: Steel Diameter: Approx. 40mm / 1.6in Height: Approx. 7mm / 0.3in Purpose: Watch repair tool, used for watch movement balance wheel adjustment. 1 xWatch Balance Wheel HolderPlease allow small error due to manual measurement. Thanks for your understanding.