A set of tools with six sizes for opening waterproof watch cases. - Brand: HEDAPAI - Model Number: 5537 - Application: Tools for opening and closing waterproof watch cases - Sizes: 18.50mm, 20.20mm, 22.50mm, 26.50mm, 28.30mm, 30.50mm - Included: 6 grooved chucks ~・~・~・~ This is a used item, so there may be discoloration, sun fading, minor scratches from storage, and age-related deterioration. Rust is present in photos 5, 6, and 7. Immediate purchase and silent purchase are welcome. Please understand that this is a used item.