A&S TOOLSHOP Portable Watch Repair Tool Kit Adjustable Back Case Opener Spanner Cover Remover Screw Watchmaker Open Battery Change Kit 1-piece Watch Repair Kit

Premium Quality: Made of superior stainless steel material, our watch case opener is well-structured and 100% Brand New.It is the most effective solution for watch case opening. Super Easy to Adjust and Use: Adjustable jaw distance from 11 mm to 54 mm which can fit different size watches. The tool is easy to use - just roll the adjustment wheel to set the bit spacing to fit your watch's back case grooves. Durable Life Time: Strong metal material gives the opener a long-last working time. It is also water resistant and will not easily get rust or damaged.