Description: - 2pcs Round Rods for Coil Building. - Five section design, the Thin one (7.5mm) for Diameter: 1.5mm, 1.7mm, 2.7mm, 3.8mm, 5mm, the Thick one (13.5mm) for diameter 6mm, 7mm, 8mm, 9mm, 10mm. - Practical and useful, small and convenient for makers to build coils easily and effectively. - Material: Chrome plated metal. - Length about 14cm/5.5inch.Package Includes:2 Pieces Coil JigsNote:Since the size above is measured by hand, the size of the actual item you received could be slightly different from the size above.Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same.