ITEM NAME:Watch Back Closer Watchmaker Press Repair Tool Set Case Crystal Hand To XSV Descriptio n Description: Due To The Oxidation Reaction Of The Aluminum Mold In Contact With The Air, Some Of The Surface Of The Mold Will Become Black. Specifications: Material: Aluminum Alloy Color: Blue Size: Contains 9 Aluminum Alloy Molds, Specifications Are: 19, 21, 23, 25, 27, 29, 31, 33, Mm. Package Included: Capping Machine*1 Mould*9 Note: 1.Due To The Manual Measurement And Different Measurement Methods, Please Allow 2-3mm Deviation. 2.Please Be Reminded That Due To Lighting Effects And Monitor'S Brightness/Contrast Settings Etc, The Color Tone Of The Website'S Photo And The Actual Item Could Be Slightly Different. Honesty is gold for all! Watch Back Closer Watchmaker Press Repair Tool Set Case Crystal Hand Tools