Specification AgeRangeDescription : Adult Brand : Auto-plaza BulletPoint1 : Good quality. They are made of quality stainless steel material, sturdy and durable for long-term using. Special designed, can perfectly replace the old or broken one. BulletPoint2 : There are different sizes available, can meet your different need. BulletPoint3 : Suitable for watchmakers and watch repairers, suitable for great watchmakers, collectors. Durable, portable, practical, convenient and very easy to use. BulletPoint4 : High hardness, wear resistant, easily to maintain the performance of your watch. BulletPoint5 : Allow 1-2mm errors due to manual measurement, total 170pcs repair parts. ClaspType : Buckle Color : clear CompatibleDevices : Watch CompatibleMaterial : Plastic Department : Unisex ExternallyAssignedProductIdentifier1 : 774980053034 ExternallyAssignedProductIdentifier2 : 0774980053034 GpsrSafetyAttestation : 1 IncludedComponents : Battery ItemName : Auto-plaza 170 pcs Copper & Stainless Steel Watch Repair Kit - Stem Extender, Crowns Replacement (3.5mm, 4.0mm, 4.5mm, 5.0mm, 7.5mm) With Storage Box ItemPackageDimensions_Height : 14.8082 centimeters ItemPackageDimensions_Length : 2.3876 centimeters ItemPackageDimensions_Width : 7.5946 centimeters ItemPackageQuantity : 1 ItemShape : Rectangular ItemTypeKeyword : watch-repair-tools JewelryStorageType : jewelry_box Lifestyle : Fashion Manufacturer : Auto-plaza Material : Stainless Steel MetalType : No Metal Type ModelName : RODICO7033 ModelNumber : 5025 MountingType : Table Top NumberOfBoxes : 1 NumberOfItems : 170 OccasionType : All Occasion OccasionType1 : Wedding OccasionType2 : Engagement OccasionType3 : Mother's Day OccasionType4 : Birthday PartNumber : 5025 Pattern : Solid PowerSourceType : Battery Powered ProductDescription : Description: 1. Good quality. They are made of quality stainless steel material, sturdy and durable for long-term using. Special designed, can perfectly replace the old or broken one. 2. There are different sizes available, can meet your different need. 3. Suitable for watchmakers and watch repairers, suitable for great watchmakers, collectors. Durable, portable, practical, convenient and very easy to use.Br> 4. High hardness, wear resistant, easily to maintain the performance of your watch. 5. Allow 1-2mm errors due to manual measurement, total 170pcs repair parts. 6. Material: Copper and Stainless Steel. 7. Size:Approx.3.5mm/4.0mm/4.5mm/5.0mm/7.5mm/0.14inch/0.15inch/0.18inch/0.20inch/0.30inch