Item ID: 28178 - Matches other items in the Junghans models Mega 1000 026/4500 026/4501 4502 026/026/4510 026/4511 026/4512 026/4513 - Total length: approx. 3.8 mm - Diameter of the head: approx. 2.3 mm - Diameter of the pen: approx. 1.2 mm - Material: Stainless Steel - Box Contents: Four replacement bottom screws, a clock or a strap are not included in the box contents. - Colour due to the difference between different monitor's brightness/contrast settings etc are possible.