4" Divider Caliper Economy Drawplate Jewelers Machinist Tools 4" Divider Caliper. This is a new nickeled 4" divider caliper. These are great for marking, finding centers and making circles. It measures approximately 6" (152.4 mm) long 71 Round Hole Drawplate. This is a new 71 round hole drawplate. This can reduce and shape thickness of gold, silver, platinum, brass, copper or soft steel wire. The holes are progressively smaller, in proper increments, so that wire drawn from a preceding hole will go through the next hole easily. Occasional annealing will keep wire soft, and bees wax can be used as a lubricant. The hole sizes are 0.12 mm to 2.5 mm. It measures approximately 6 1/2" x 1 1/4" (165 x 31 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.