Used only once. I'm selling it because I don't change watch straps. I bought it for 10,000 yen. Please check Rakuten or Amazon for details and reviews. Copied from the product sales page below: Product Information Accessories: Replacement tips: 1.0mm x 2 / 1.4mm x 2 Product Description: Double-ended spring bar tool High-quality double-ended spring bar tool comparable to BERGEON 6825. Manufactured by a well-known watch tool specialist. This is a tool that professionals can appreciate, made from high-quality aluminum and precisely shaped with CNC cutting. Adjustable from 10mm to 30mm width. The blade tips use high-quality high-speed steel. Watch tools Spring bar tool Spring bar remover