25Pc Brass Clock Keys Gauge Set Fits Wall Grandfather 14 Watch Winding Keys. This is a new set of 14 watch keys. These keys are used for winding watches. You receive: One 00 size watch winding key. One 0 size watch winding key. One 1 size watch winding key. One 2 size watch winding key. One 3 size watch winding key. One 4 size watch winding key. One 5 size watch winding key. One 6 size watch winding key. One 7 size watch winding key. One 8 size watch winding key. One 9 size watch winding key. One 10 size watch winding key. One 11 size watch winding key. One 12 size watch winding key. Two 5 Sided Clock Keys. This is a new set of two 5 sided clock keys. The sizes are: Size 2, 2.75 mm. Size 3, 3.00 mm. Size 4, 3.25 mm. Size 5, 3.50 mm. Size 6, 3.75 mm. Size 7, 4.00 mm. Size 8, 4.25 mm. Size 9, 4.50 mm. Size 10, 4.75 mm. Size 11, 5.00 mm. Millimeters & Inches Gauge. This is a new brass sliding pocket size measuring gauge. Has a smooth brushed finish and fine, crisply stamped numbers and lines. Measures millimeters and inches. Graduated in 1 mm and 1/16" increments. It measures up to 100 mm and 4" 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.