4 Grandfather Clock Gongs Wire Base Clockmakers Parts. Metal Gong Base. This is a new metal gong base. This is used to attach clock gongs and bells. It measures approximately 2 1/2" x 2" x 3/4" (64 x 51 x 19 mm). Round Gong Wire. This is a new round gong wire that fits Seikosha clocks. This wire measures approximately 6" (152 mm) in length and about 1/16" (2 mm) thick 2 Clock Gongs. This is a new pair of clock gongs. These are used in clock repair. Each measures approximately 8" (203 mm) long. 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.