Feature: This kit includes watch crown, watch crown tube and watch steam. Made of metal material, it is sturdy and durable for long time use. Comes with a small case, lightweight, easy to carry and easy to store. This set includes different sizes of watch parts to meet your repair needs. A practical tool set that is suitable for watch makers and watch repairing workers. Specification:Condition: 100% Brand NewItem Type: Watch Parts SetMaterial: MetalWatch Crown Tube Size: Approx. 0.9x0.9mmWatch Crown Size: 3.5 4.0 4.5 5.0mmWatch Stem Size: pc2035 2836 2824 pc21Package List:1 Box of Watch Parts