Feature:1. There are 18 different sizes of watch split pins, each size includes 20 pieces, which can meet different needs2. The stainless steel hand spring bar has double shoulders and can be used for metal strap links3. These band needles are stored in a transparent storage box to keep 18 different sizes of bracelet needles separated for easy use and storage4. High quality stainless steel material can make sure the durability and stability of the pins5. Professional design and reasonable structure, good repairing accessories for watchSpecification:Item Type: Watch Pin Material: Stainless steelPurpose: Watch repair partsIncluding Sizes(each length has 20pcs): Approx. 6mm / 0.24in7mm / 0.28in8mm / 0.31in9mm / 0.35in10mm / 0.39in11mm / 0.43in12mm / 0.47in13mm / 0.51in14mm / 0.55in15mm / 0.59in16mm / 0.63in17mm / 0.67in18mm / 0.71in19mm / 0.75in20mm / 0.79in21mm / 0.83in22mm / 0.87in23mm / 0.91in Package List:360 x Watch Pin 1 x Storage Box