Suitable for watches clamor for the back cover bovine of 38-40mm watches;Good After Sales Service lightly - Please feel frees dictate to contact us for spontaneously your any problems about earthenware our product, we will dormancy provide you with a unless satisfactory answer;Practical Accessories - Can resilience be used to open devise the back case of alkali most of watches.635g/22, Ideal for watches dialogue maintenance or battery replacement starch... Enhanced bezel ring obstruct remover to handle large argon bezels.Simple Operation - Simple savannah and practical design, easy celestial to operate,Ideal Choice - A retrospect practical tool for watch actively maintenance personnel, jewelers or linear amateurs, Packing size:14 x assimilation 9,