?Features: </B>￠ Material: Plastic and metal<br>￠ Diameter of inflated ball: 3.54 inches<br>￠ High quality and light design・ open the watch in an easy・ precise・ and safe way<br>￠ Easy operation・ perfect for any toolkit whether you're a professional watchmaker or a hobbyist<br>￠ Suitable for screwthread watch only<br><br><B>Usage: </B><br>Push and squeeze the ball・ make friction between the ball and the back case・ then rotate the ball to the case "open" direction.                 <strong>Type:</strong> Repair tool <br />                          <strong>Package weight:</strong> 0.085 kg <br />             <strong>Product size (L x W x H):</strong> 15.00 x 4.00 x 4.00 cm / 5.91 x 1.57 x 1.57 inches <br />             <strong>Package size (L x W x H):</strong> 16.00 x 7.00 x 5.00 cm / 6.30 x 2.76 x 1.97 inches <br />             <strong>Package Contents:</strong> 1 x Watch Case Open Pump・ 1 x Ball Air Pump                 <p><img src="http://des.chinabrands.com/uploads/pdm-desc-pic/Electronic/image/2016/03/25/1458889143241374.jpg" style="" title="1458889143241374.jpg"/></p><p><img src="http://des.chinabrands.com/uploads/pdm-desc-pic/Electronic/image/2016/03/25/1458889159594223.jpg" style="" title="1458889159594223.jpg"/></p><p><img src="http://des.chinabrands.com/uploads/pdm-desc-pic/Electronic/image/2016/03/25/1458889160909046.jpg" style="" title="1458889160909046.jpg"/></p><p><img src="http://des.chinabrands.com/uploads/pdm-desc-pic/Electronic/image/2016/03/25/1458889159769927.jpg" style="" title="1458889159769927.jpg"/></p><p><img src="http://des.chinabrands.com/uploads/pdm-desc-pic/Electronic/image/2016/03/25/1458889160950094.jpg" style="" title="1458889160950094.jpg"/></p><p><img src="http://des.chinabrands.com/uploads/pdm-desc-pic/Electronic/image/2016/03/25/1458889160793813.jpg" style="" title="1458889160793813.jpg"/></p><p><br/></p>