57 Cotter Pins Remover Hammer Tweezers Watchmaker Tools 54 Cotter Pins. This is a new set of 54 watch band cotter pins. Great for watch repair. Each measures 1 mm thick. You receive: Three 6 mm (0.23622") cotter pins. Three 7 mm (0.27559") cotter pins. Three 8 mm (0.31496") cotter pins. Three 9 mm (0.35433") cotter pins. Three 10 mm (0.3937") cotter pins. Three 11 mm (0.43307") cotter pins. Three 12 mm (0.47244") cotter pins. Three 13 mm (0.51181") cotter pins. Three 14 mm (0.55118") cotter pins. Three 15 mm (0.59055") cotter pins. Three 16 mm (0.62992") cotter pins. Three 17 mm (0.66929") cotter pins. Three 18 mm (0.70866") cotter pins. Three 19 mm (0.74803") cotter pins. Three 20 mm (0.78740") cotter pins. Three 21 mm (0.82677") cotter pins. Three 22 mm (0.86614") cotter pins. Three 23 mm (0.90551") cotter pins. Spring Bar. Link Remover. This is a new solid steel watch band pin remover. It is great for removing the band from the watch case. This is also for removing watch bracelet pins. It measures approximately 2 3/4" (70 mm). Diamond Tweezers. This is a new pair of diamond tweezers. Great for jewelers, beading, inspecting and assembling small parts. These tweezers are as essential as the fingers on your hand. Has a extra fine serrated tip. They measure approximately 6 1/2" (165.1 mm) long 1oz Ball Pein Hammer. This is a new 1 ounce ball pein hammer. Great for metal working. The head measures approximately 2 1/8" (54 mm). The face measures approximately 3/8" (9 mm). The hammer measures approximately 7 3/4" (196.85 mm). We work hard to update our descriptions and pictures of our merchandise. As part of a process of ongoing innovation by our suppliers, newer versions of the item shown may be shipped before we are able to complete an update. As a result there may be a slight variation in color and design.