Hottptyer 5pcs Watch Crown Spare Parts Black Steel Heads (4.5mm flat hole)

[BLACK STEEL MATERIAL] Made from black steel this watch crown replacement set is sturdy for repeated repair work. The material supports reliable handling during quartz and mechanical watch maintenance tasks. [VARIED SIZES] The 5 piece watch crown kit includes different sizes to meet various replacement needs. Select a suitable crown during watch repair and keep essential spare parts ready for workshop projects. [REPAIR SUPPORT] Designed for watchmakers repair workers and interested persons this set helps organize crown replacement tasks and can save repair time during routine servicing or hands on maintenance. [PORTABLE DESIGN] Small watch crown parts are easy to carry between a workbench and repair location. The compact form keeps accessories convenient to store and supports quick access whenever watch servicing is needed. [WATCH APPLICATIONS] These watch head accessories are intended for quartz and mechanical watches. Use them as spare crown parts when restoring or servicing wristwatch cases and completing repair work.